chú
mow, cut grass
Simplified form of 芻. Pictograph of a hand picking off blades of grass.
Evolution

Oracle script
(~1250-1000 BC)
Bronze script
Late Western Zhou (~800 BC)
Seal script
Shuowen (~100 AD)
Clerical script
Western Han dynasty (202 BC-9 AD)Traditional script
ModernSimplified script
ModernSources
季旭昇《說文新證》p.70-71