劳 láo to toil; labor; laborer
Made up of [力 lì strength radical 19, 艹 cǎo grass; herb radical 140, 冖 mì cover; crown radical 14]Origin
The original pictograph was a person laboring inside under the light of many fires. The original 'fires' have become 'grass' but maintain the implication of hard work
Full information for 劳