yí
lose, leave behind
Simplified form of 遺. Phonosemantic compound. 辶 represents the meaning and 贵 represents the sound.
Evolution

Bronze script
Early Western Zhou (~1000 BC)
Seal script
Shuowen (~100 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Traditional script
ModernSimplified script
ModernDefinitions
Sources