Self-pictograph and Kangxi radical 111. Depicts an arrow: the slanted top is the arrowhead, the cross is the shaft and feathered notch, and the splayed bottom is the binding around the nock. From the literal arrow came the verbs 'to swear, vow' (an oath made on an arrow) preserved in classical
矢志不渝. Atomic; not analyzable into sub-pieces.