shòu
thin
Phonosemantic compound. 疒 represents the meaning and 叟 represents the sound.
Evolution

Seal script
Shuowen (~100 AD)
Clerical script
Qin dynasty (221-206 BC)
Seal script
Western Han dynasty (202 BC-9 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Regular script
ModernDefinitions
shòu
thin, emaciated, lean; meager; thin; to lose weight; (of clothing) tight; (of meat) lean; (of land) unproductive
Sources