開
カイ・あける・あく・ひらく
Open
- Strokes
- 12
- Radical
- 門
- 音読み
- カイ
- 訓読み
- あ.ける、あ.く、ひら.く
Meaning
Open · abrir
Readings
- On (音読み): カイ
- Kun (訓読み): あ.ける・あ.く・ひら.く
Example words
- 開ける（あける）— to open (something)
- 開く（あく）— to open (by itself)
- 開始（かいし）— start; beginning
Structure
Radical 門 (もんがまえ · Gate) · 12 strokes · school grade 3
Watch out
Transitivity pair: ドアを開ける (I open it) vs ドアが開く (it opens). Where Spanish adds "se" (la puerta se abre), Japanese changes both the verb ending AND the particle. 開く also reads ひらく for books, shops and meetings (店を開く). Gate family: 開, 閉, 間, 聞.
Common mistakes
- Transitivity pair: ドアを開ける (I open it) vs ドアが開く (it opens). Where Spanish adds "se" (la puerta se abre), Japanese changes both the verb ending AND the particle. 開く also reads ひらく for books, shops and meetings (店を開く). Gate family: 開, 閉, 間, 聞.
Examples
開けるあける
to open (something)
開くあく
to open (by itself)
開始かいし
start; beginning
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