nài
endure
Original meaning:
make the head bald as punishment
Pictograph of a beard (而) being removed from the face by a hand (寸). Based on the original meaning "make the head bald as punishment", now written as 髡. The meaning later shifted to "tolerate" and "endure".
Evolution

Seal script
Shuowen (~100 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Regular script
ModernDefinitions
nài
endure, bear; resist; patient; capable of enduring; able to tolerate; durable; hardy; resistant
Sources