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Definition and Synonyms for 碧
| 1. |
ブルー |
青い色、または顔料 |
|
Blue |
blue color or pigment |
|
Synonyms: |
ブルー, 青, 青い, 青み, 青色 |
| 2. |
青信号 |
進行する合図 |
|
Go-Ahead |
a signal to proceed |
|
Synonyms: |
青, 青い, 青信号 |
| 3. |
青 |
ユニフォームまたはバッジが青いどんな組織または党でも |
|
Blue |
any organization or party whose uniforms or badges are blue |
|
Synonyms: |
青, 青い |
| 4. |
ブルー |
昼間の澄んだ空の色に似ていること |
|
Blue |
resembling the color of the clear sky in the daytime |
|
Synonyms: |
ブルー, 青, 青い, 青み, 青色 |
Meanings for each kanji in 碧
Categories 碧 is a member of
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Hi Praba,
before the Heian Period (794-1185) there were only words for blue, red, white and black.
So "blue" stood for various shades of green and blue, it just stuck for all that time.
In the 1960s traffic regulation changed to make green traffic lights slightly blueish. So to justify the tradition to call certain green things blue while also conforming to the international standard of green traffic lights.
Before the 1960s there where both blue and green traffic lights around.
Full story:
https://www.rd.com/article/heres-japan-blue-traffic-lights/
日本語と頑張ってなさい！