核推进

• 木(tree; wood)RADICAL
• 亥(pig (12th zodiac sign))PHONETIC

The kernel of a tree fruit (木) sounds like the character for pig (亥).

• 扌(hand)RADICAL
• 隹(short-tailed bird)PHONO-SEMANTIC

Use your hand to push the bird flying forward.

• 辶(step; move)RADICAL
• 井(well; water well)PHONETIC

To advance forward like taking quick steps toward a well to get water.