啓

disclose, open, say

Kun

ひらく · さとすhiraku · satosu

On

ケイkei

Kun is the Japanese reading, used when the kanji stands alone with kana after it. On comes from Chinese and is mostly used in compound words.

Radical

口mouth

Parts

口mouth戸doorform of 戶攵rapform of 攴一one尸corpse