kòu
knock
Phonosemantic compound. 扌 represents the meaning and 口 represents the sound. Simplified form of 釦.
Evolution

Seal script
Chu (Warring States: 475-221 BC)
Seal script
Shuowen (~100 AD)Regular script
ModernDefinitions
kòu
knock, strike, rap, tap; button; to fasten; to button; buckle; knot; to arrest; to confiscate; to deduct (money); discount; to knock; to smash, spike or dunk (a ball); to cover (with a bowl etc); (fig.) to tag a label on sb; (Tw) (loanword) code
Component uses
Sound component in 1 character (0 verified)
Sources