捐背

• 扌(hand)RADICAL
• 肙(small worm; insect larva)PHONETIC

Use your hand to offer something as a gift, like releasing a small worm you no longer need.

• 北(north)PHONETIC
• ⺼(flesh; body)RADICAL

The back is the meat on the rear side, like facing north with your back turned away from the sun.