shuāi, cuī
decline
Original meaning:
raincoat made from straw or grass
Depicts a woven raincoat (衣) made from either grass or straw. Based on the original meaning "raincoat made from straw or grass", now written as 蓑. The meaning later shifted to "weaken" and "decline".
Components
Evolution

Bronze script
Western Zhou (1045-771 BC)
Seal script
Shuowen (~100 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Regular script
ModernDefinitions
Sources
季旭昇《說文新證》p.665-666