yī
rely on
Phonosemantic compound. 亻 represents the meaning and 衣 represents the sound.
Evolution
Oracle script
(~1250-1000 BC)
Seal script
Shuowen (~100 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Regular script
ModernDefinitions
yī
rely on, be set in; consent, obey a wish; to depend on; to comply with or listen to sb; according to; in the light of
Sources