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N4 Kanji 43: 開
Meaning of kanji 開:
In Japanese, 開 means “to open”.
How to read kanji 開:
| Kunyomi | あ、ひら |
| Onyomi | かい |
How to write kanji 開:

Origin of kanji 開:
You can see someone here, and he is trying to open the door.
So kanji 開 stands for “to open”.

Development of kanji 開:

Vocabulary containing kanji 開:
| Word | Reading | Meaning |
|---|---|---|
| 開く | ひらく | open |
| 開ける | あける | open |
| 開発 | かいはつ | development |
| 展開 | てんかい | deployment |
| 開始 | かいし | start |
| 公開 | こうかい | release |
| 開催 | かいさい | holding |
| 開放 | かいほう | open |
| 開拓 | かいたく | pioneering |
| 開設 | かいせつ | establishment |
| 開業 | かいぎょう | start business |
| 再開 | さいかい | resumption |
| 開示 | かいじ | disclosure |
| 切り開く | きりひらく | to open |
| 開戦 | かいせん | outbreak of war |
| 開店 | かいてん | open shop |
| 開通 | かいつう | opening |
| 見開く | みひらく | to open |
| 打開 | だかい | breakthrough |
| 開花 | かいか | flowering |
| 開き直る | ひらきなおる | to become defiant |
| 開封 | かいふう | open |
| 満開 | まんかい | full bloom |
| 全開 | ぜんかい | fully open |
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N4 Kanji 42: 集
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N4 Kanji 44: 走