剤

dose, medicine, drug

Kun

かる · けずるkaru · kezuru

On

ザイ · スイ · セイzai · sui · sei

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

刀knife

Parts

刂knifeform of 刀文script廾arch斉