yòng
use
Original meaning:
bucket
Depicts a bucket with a handle on the right side. Based on the original meaning "bucket". The meaning of this character has shifted over time and now means "use".
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
yòng
use, employ, apply, operate; use; to use; to employ; to have to; to eat or drink; expense or outlay; usefulness; hence; therefore
Component uses
Sources
季旭昇《說文新證》p.253-254
林志強《《文源》評注》p.367