loquacity (n.)youdaoicibaDictYouDict[loquacity 词源字典]
c. 1200, from Latin loquacitatem (nominative loquacitas) "talkativeness," from loquax "talkative" (see loquacious). An Old English word for it was ofersprecolnes.[loquacity etymology, loquacity origin, 英语词源]