But what are kanji components? Well, a given kanji is made of a number of "components." Each "component" is just a given pattern which shows up across multiple kanji. Some components are based on kanji, which is why some more complex kanji look like they are made out of other, smaller kanji.
As we can see above, the component 口 is very literally a square. Basically all kanji with a square in it share that component. There is a even a kanji, shina 品, "(commercial) goods," which is made of not one, but three of these squares!
Why Are Radicals Special Components?
Now, you might be asking yourself what makes radicals so special. The thing is, radicals come from Chinese. The way the Chinese language created the hanzi, which was imported to Japanese as kanji, used radicals as lego blocks to make the characters. So they had a proper reasoning for each radical use.
This was millennia ago.
Nowadays it's hardly relevant. Only historians and linguists learn this stuff. Though learning it might help you in some way, it would be like trying to learn the plural version of an English word by studying its etymology. In theory it work, in practice it doesn't. That is, it won't help you learn Japanese, it will help you learn history.
How to Use Radicals
Radicals can be a very good tool for learning Japanese, for a few reasons.
Looking Up Kanji in Dictionaries
In online dictionaries, (like fucking retarded piece of shit hardly usable kanji writing recognition feature.
The first and foremost reason is that you can look up kanji in dictionaries. Physical, made-of-paper dictionaries use the radicals to index their kanji. Not all the components, only the radical. Which means you need to know which component is the radical to use the index.In online dictionaries, (like jisho.org ) it's much easier because you can filter kanji by any component, not only the radical. And that's a much easier way to find a kanji than it would be to, say, using thehardly usable kanji writing recognition feature.
The idea here is very simple. If you find a word you've never seen before with a kanji you've never seen before, it most likely contains components you do have seen before.
So say you find the word謎, "enigma," and you don't actually know it's pronouncedthere because there is no furigana there, then you just look up the components: the tall言う thingy ("to say") and the米 one ("rice") and that's how you filter the kanji to narrow it down to 謎.
This can become a frequent thing if you're trying to read stuff without, so I had made an extension for Jisho.org that memorizes that kanji you've looked up with radicals so you don't need to keep filtering it down all the time.
Writing Kanji
Another thing radicals are good for would be for memorizing how to write kanji. This is because, radicals are patterns which multiple kanji share among themselves. So if you know how to write a radical in one kanji, you know how to write that same radical in all kanji.
For example, if you know how to write kuchi 口, you know how to write that same square component in all kanji containing it. Here's a hint: it takes 3 strokes, not 4. Yep. Three strokes, not four. Yeah, I know you normally draw a square with 4 strokes because it has 4 lines, but the kanji component that looks like a square actually takes 3 strokes.
So instead trying to memorize how to write each kanji individually, you memorize how to write the radicals, you memorize the components of the kanji, and then you have to deal with less memorizing and less confusion.
Counting Strokes
Expanding on the writing part, the radicals help you count the number of strokes in a kanji, which might help you with looking kanji up in a dictionary. It's not extremely useful, but it might come in handy sometime.
Basically, if 力 takes 3 strokes to write and 重 takes 9 strokes to write, then 動 which is made out of those two components must take as many strokes to write as the sum of the strokes it takes to write its components, or 11 strokes in this case.
This is particularly useful in complex kanji that looks like it's made out of other kanji, Like the first kanji of souzou 想像, "imagination," for example. It's made of three components:
- ki 木 (4 strokes)
Tree. - me 目 (5 strokes)
Eye - kokoro 心 (4 strokes)
Heart. Mind. Spirit.
Since 4 + 5 + 4 = 13, we can guess that the 想 kanji has 13 strokes total.
Guessing Meaning of Kanji from Radicals
Now of the most surprising and yet totally unreliable feature of kanji radicals is that in some very, very, very, very rare cases it may let you somewhat guess what a kanji means.
This is totally useless. Incredibly so. Because it's not reliable at all and guessing what text means is not how you read stuff and not how you learn to read stuff.
Regardless, when a certain radical is placed in a certain position of the kanji, it may tell the nature of that kanji. For example, the kanji mushi 虫, which means "insect," is contained in most kanji about insects, always in the same place.
Once again I want to note that this isn't reliable at all. For example, kaze 風, "wind," and tsuyoi 強い, "strong," also have the mushi 虫 component, albeit in a different position, and have nothing to do with insects at all.
I've also heard that some radicals may hint the readings of a kanji. Since I have personally never felt a connection between a radical and the kanji reading, I can't talk about it. I did notice the the thing with insects, though, so I can vouch it may help you identify a kanji is about an insect. (which to be honest ought to be enough because wtf is the difference between a black fly a horsefly and a mosquito???)
Other hints are that some body parts may have the 月 component in it. ude 腕, "arm," ashi 脚, "feet," momo 腿, "thigh," mune 胸, "chest." And so on. And some metals have the 金 component in them. gin 銀, "silver," dou 銅, "copper," etc.
The radicals have their history and logical basis. But it's full of gotchas, exceptions and other complexities. You may gain something from studying it, but it will be a hassle that any Japanese beginner would rather avoid.
Two Radicals vs. Two Kanji
One last thing to note is that it might look like we are just writing different kanji on beside the other. Like, oh, you got an L and then you got an A, you write them together and you have a LA. but those are still two separate letters, so it's not the same as joining multiple radicals into a single kanji.In Japanese, the LA would be the same as having on'na 女, "woman," and then ko 子, "child," you join them together and you get joshi 女子, "(young) girl," and that will be one word of two kanji each with one single radical.
However, there is also this thing: 好 which is one kanji made of two radicals. It appears in words such as suki 好き, which mean "to like (something)."
I'd like to note that these two things (女子 and 好) have literally nothing to do with each other. They look alike but they are totally different. It's not like they came up with the kanji for liking things from the word for young girl. That's creepy and I don't want to think about it
Something that's more similar to radicals in the Latin alphabet would be accents and diacritics, those things the English language doesn't have. Basically you have an accent, like the circumflex ^, and you have a letter, like e, you join them together and you have ê. That's more like how radicals work, because when the components are separated (^e) it looks like math and it's totally different from the letter made of both (ê).
Word Plays with Radicals
Since there's a thin line, or rather, a thin space between two separate kanji and two radicals in one kanji, they can be easy to confuse, and anything that can be confused by accident is going to be confused deliberately in jokes and comedy.Of course I'm talking about anime, manga and stuff. What blog do you think you are reading?
One notorious case of this is the one in Sayonara Zetsubou-sensei さよなら絶望先生 where the character Itoshiki Nozomu 糸色 望 has a very radical problem. It goes like this:
- Itoshiki Nozomu 糸色 望
His name. It looks alright when written vertically, which is normal in Japanese. - Zetsu Nozomu 絶 望
When written horizontally, however, his family name looks like the 絶 kanji! - zetsubou 絶望
Which makes you think 望 isn't his given name any longer, but the second kanji of the word "despair."
In the story, this gag made an student write his name horizontally with a little extra space between the two kanji to avoid confusion.
I guess this really illustrates how easy you can confuse kanji with radicals but also how different they are.
If you've been learning Japanese for some time you might have heard about the so-called "kanji radicals," or部首, and wondered exactly what is so radical about kanji? Do they practice skate-boarding? Bungee-jumping? No? Then what's the meaning of "kanji radicals" after all? Basically, the "radical" of a kanji would be the primary component of that kanji. The component which is used to categorize the kanji in a dictionary and that sometimes reveal something about the nature of the kanji itself.But what are kanji components? Well, a given kanji is made of a number of "components." Each "component" is just a given pattern which shows up across multiple kanji. Some components are based on kanji, which is why some more complex kanji look like they are made out of other, smaller kanji.As we can see above, the component 口 is very literally a square. Basically all kanji with a square in it share that component. There is a even a kanji,品, "(commercial) goods," which is made of not one, but three of these squares!One last thing to note is that it might look like we are just writing different kanji on beside the other. Like, oh, you got an L and then you got an A, you write them together and you have a LA. but those are still two separate letters, so it's not the same as joining multiple radicals into a single kanji.In Japanese, the LA would be the same as having女, "woman," and then子, "child," you join them together and you get女子, "(young) girl," and that will beofeach withHowever, there is also this thing: 好 which ismade of. It appears in words such as好き, which mean "to like (something)."I'd like to note that these two things (女子 and 好) have literally nothing to do with each other. They look alike but they are totally different. It's not like they came up with the kanji for liking things from the word for young girl. That's creepy and I don't want to think about itSomething that's more similar to radicals in the Latin alphabet would be accents and diacritics, those things the English language doesn't have. Basically you have an accent, like the circumflex, and you have a letter, like, you join them together and you have. That's more like how radicals work, because when the components are separated () it looks like math and it's totally different from the letter made of both ().Since there's a thin line, or rather, a thin space between two separate kanji and two radicals in one kanji, they can be easy to confuse, and anything that can be confused by accident is going to be confused deliberately in jokes and comedy.Of course I'm talking about anime, manga and stuff. What blog do you think you are reading?One notorious case of this is the one inさよなら絶望先生 where the character糸色 望 has a very radical problem. It goes like this:In the story, this gag made an student write his name horizontally with a little extra space between the two kanji to avoid confusion.I guess this really illustrates how easy you can confuse kanji with radicals but also how different they are.
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