breathtaking (adj.)youdaoicibaDictYouDict[breathtaking 词源字典]
1867, from breath + present participle of take (v.). Phrase to take (one's) breath away with astonishment or delight is from 1864. Breathtaking (n.) "act of taking breaths or a breath" is from 1620s. Related: Breathtakingly.[breathtaking etymology, breathtaking origin, 英语词源]