xì
a shoe
Pictograph of a bird with its two wings opened. Based on the original meaning "magpie", now written as 鵲. The current meaning "shoe" is a phonetic loan.
Evolution

Bronze script
Early Western Zhou (~1000 BC)
Seal script
Shuowen (~100 AD)
Clerical script
Qin dynasty (221-206 BC)Regular script
ModernDefinitions
Sources