entries → 先天
TSUMUGU · TOCFL C1 (est.) · 詞
先天 word · TOCFL C1 (est.)
先天 ＝ 先 ＋ 天
ㄒㄧㄢ ㄊㄧㄢ · xiāntiān
adj — innate, inborn, congenital (present from birth)

字源 FORM — what the parts do

先before, prior to (先)xiān
天heaven; here, birth (天)tiān
先天，先後的先，天空的天。
關 · Related
後天hòutiānacquired after birth — the exact opposite天生tiānshēngborn with it — the plainer synonym