首先 (shǒu xiān) — first of all, firstly, to begin with. · Tsumugu

entries → 首先

TSUMUGU · B2 · 詞

首先 word · B2

首先＝首＋先

ㄕㄡˇ ㄒㄧㄢ · shǒu xiān

adverb — first of all, firstly, to begin with.

字源 FORM — what the parts do

首head, first (首要)shǒu

先first, earlier (先後)xiān

首先，首要的首，先後的先。