líng
zero
Original meaning:
to fall (rain/snow)
Phonosemantic compound. 雨 represents the meaning and 令 represents the sound. Based on the original meaning "to fall (of rain/snow)". The meaning later shifted to "scattered", "fraction", and "zero".
Evolution

Seal script
Shuowen (~100 AD)
Clerical script
Jin dynasty (266-420 AD)Regular script
ModernDefinitions
líng
zero; fragment, fraction; nought; zero sign; fractional; fragmentary; odd (of numbers); (placed between two numbers to indicate a smaller quantity followed by a larger one); fraction; (in mathematics) remainder (after division); extra; to wither and fall; to wither
Sources