稚
チ, ジ, いとけない, おさない, おくて, おでる, まさ, わか, わく, わっか

immature, young

JLPT1 G7 S13 F1560

穉 is as per 犀# (slow) + 禾 grain/rice → late-developing grain → *young* (child); *infant* (← slow-developing creature). 穉 has been supplanted by the form 稚.

[Full Kanji Etymology List]