mid-14c., from Old French chevaleros "knightly, noble, chivalrous," from chevalier (see chevalier; also compare chivalry). According to OED, obsolete in English and French from mid-16c. Not revived in French, but brought back in English late 18c. by romantic writers fond of medieval settings.
例文
1. He was handsome,upright and chivalrous .
彼はハンサムで、正直で、風格がいい。/
2.Never was husband more devoted,more respectful,more chivalrous .But love?
こんなに忠実で、親切で、思いやりがある夫はいません。でも恋は?
3.This chivalrous attitude was not endorsed by their followers in the party.
という義勇的な精神は党内の他の党員の支持を得られなかった。
4.Men are so little chivalrous now.
今の男には騎士風はほとんどない。
5.Toward women he was nobly restrained and chivalrous .