entries → 事先
TSUMUGU · TOCFL B2 (est.) · 詞
事先 word · TOCFL B2 (est.)
事先 ＝ 事 ＋ 先
ㄕˋ ㄒㄧㄢ · shìxiān
adverb — beforehand, in advance, ahead of time

字源 FORM — what the parts do

事matter, affair (事情)shì
先before, first (先後)xiān
事先，事情的事，先後的先。
關 · Related
事後shìhòuafterward — the mirror of 事先提前tíqiánto move something earlier, ahead of schedule