cái
material
Phonosemantic compound. 木 represents the meaning and 才 represents the sound.
Evolution
Seal script
Shuowen (~100 AD)
Clerical script
Cao Wei (Three Kingdoms: 222-280 AD)Regular script
ModernDefinitions
cái
material, stuff; timber; talent; material; ability; aptitude; a capable individual; coffin (old)
Sources