vow

• n. 誓う；誓う；願い事をする
• vt.誓う；厳粛に宣言する
• vi.誓う；厳粛に宣言する

ラテン語のvotum（約束する、神に誓う）から。PIE*wegwh（厳粛に言う）が語源で、語源的にはvoice（声）、vote（投票）と同じ。

vow

vow: see vote

vow (n.)

"solemn promise," c. 1300, from Anglo-French and Old French voe (Modern French v?u), from Latin votum "a promise to a god, solemn pledge, dedication; that which is promised; a wish, desire, longing, prayer," noun use of neuter of votus, past participle of vovere "to promise solemnly, pledge, dedicate, vow," from PIE root *wegwh- "to speak solemnly, vow, preach" (cognates: Sanskrit vaghat- "one who offers a sacrifice;" Greek eukhe "vow, wish," eukhomai "I pray"). Meaning "solemn engagement to devote oneself to a religious order or life" is from c. 1400; earlier "to bind oneself" to chastity (early 14c.).

vow (v.)

"promise solemnly," c. 1300, from Old French voer, from voe (see vow (n.)). Related: Vowed; vowing.

1. I had to admire David 's vow that he would leave the programme.

デビッドはこのプロジェクトを去ることを誓ったので、私は彼に感心しなければならなかった。

2.While many models vow to go back to college,few do.

多くのモデルが大学のキャンパスに戻ることを誓っているが、誰もやっていない。

3.I made a silent vow to be more careful in the future.

これからはもっと気をつけてとひそかに誓った。

4.He took a vow of chastity and celibacy.

彼は禁欲を守る誓いを立てた。

5.He had broken his vow of poverty.

彼は安貧楽道の誓いを破った。