一把手
yī bǎ shoǔ · HSK 7
working hand
✋ 一 one + 把 grip + 手 hand = one capable pair of hands pitching in on the team
Literally one (一) grip (把) hand (手): a single able-bodied worker who grips in and does their share. The 把 here counts a hand as something you grab with, marking an active participant on a work crew.
一 — single horizontal stroke
一 is one of the simplest pictographs in Chinese, depicting a single horizontal line to represent the number one. It has retained essentially the same form since oracle bone script over 3,000 years ago. By extension it also means 'first,' 'whole,' or 'same.'
把 — hand radical 扌 + 巴 (phonetic)
把 is a semantic-phonetic compound. The hand radical 扌 gives the meaning 'to grasp or hold,' while 巴 supplies the sound. Originally meaning 'to grip with the hand,' it later extended to a noun ('handle') and a grammatical particle that fronts the object of a verb.
手 — pictograph of a hand with five fingers
手 is a pictograph showing an open hand with fingers and a wrist. Early bronze and oracle bone forms clearly depict five splayed fingers, which simplified over time into the modern shape. It keeps its original meaning of 'hand' and also serves as a radical in many characters related to hand actions.