entries → 證書
TSUMUGU · TOCFL B1 (est.) · 詞
證書 word · TOCFL B1 (est.)
證書 ＝ 證 ＋ 書
ㄓㄥˋ ㄕㄨ · zhèngshū
noun — certificate, credential document

字源 FORM — what the parts do

證to prove, attest (證明)zhèng
書a document, written paper (文書)shū
證書，證明的證，文書的書。
關 · Related
證明zhèngmíngto prove — the everyday 證畢業證書bìyèzhèngshūa diploma — the common compound