誓詞

せいし【誓詞】

(the words of) an oath; a vow; a pledge.

●新郎新婦が誓詞を読み上げた. The bride and groom took [made] their marriage [wedding] vows.

ナイチンゲール誓詞 〔看護師の〕 the Nightingale [Florence Nightingale's] oath.