臿 (chā)
to separate the grain from the husk
Etymology
Depicts using a pestle (午) to grind grain to be separated from its husk in a mortar (臼). Original form of 插.
Shuowen Jiezi
《說文》：“臿，舂去麥皮也。从臼，干，所以臿之。”
Components
- 午 (iconic) — Depicts a pestle.
- 臼 (iconic) — Depicts a mortar.