petulance (n.)youdaoicibaDictYouDict[petulance 词源字典]
c. 1600, "insolence, immodesty," from French pétulance (early 16c.), from Latin petulantia "sauciness, impudence," noun of quality from petulantem (see petulant). Meaning "peevishness" is recorded from 1784, from influence of pettish, etc. It displaced earlier petulancy (1550s).[petulance etymology, petulance origin, 英语词源]