yú
offer sacrifice for rain
To sacrifice 亏 for rain 雨; 雨 also provides the pronunciation
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
Sound component in 1 character (0 verified)