tú
smear, spread, paint
Phonosemantic compound. 氵 represents the meaning and 余 represents the sound. Simplified form of 塗.
Evolution

Oracle script
(~1250-1000 BC)
Seal script
Shuowen (~100 AD)
Clerical script
Western Han dynasty (202 BC-9 AD)Regular script
ModernDefinitions
Component uses
Sound component in 1 character (1 verified)
Sources