蛋黄

• 疋(foot; leg (sound similar to 'đản'))PHONETIC
• 虫(insect; reptile)RADICAL

An egg is what reptiles lay, with a round shape like a foot.

• 黃(yellow; ripe grain field)ASSOCIATIVE

A mature golden rice plant with its stalk, roots, and heavy drooping grain panicles forms the image of this character.