zhǐ
purpose
Original meaning:
fine-tasting
Depicts a spoon (匕) going into the mouth (口), conveying the original meaning "fine-tasting". The current meaning is a phonetic loan.
Components
Evolution

Oracle script
(~1250-1000 BC)
Bronze script
Early Western Zhou (~1000 BC)
Seal script
Shuowen (~100 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Regular script
ModernDefinitions
Component uses
Iconic component in 1 character (1 verified)
Sources
季旭昇《說文新證》p.396-397