luò, là, lào
fall
Phonosemantic compound. 艹 represents the meaning and 洛 represents the sound.
Components
Evolution

Seal script
Shuowen (~100 AD)
Clerical script
Eastern Han dynasty (25-220 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Regular script
ModernDefinitions
luò
fall, drop; net income, surplus; to fall or drop; (of the sun) to set; (of a tide) to go out; to lower; to decline or sink; to fall onto; to rest with; to get or receive; to write down; whereabouts; settlement
là
to leave out; to be missing; to leave behind or forget to bring; to lag or fall behind
lào
colloquial reading for 落[luò] in certain compounds
Sources