The story
- French · derived frommordacité
- Latin · derived frommordācitās“quality of biting”
- Middle French · derived frommordacité
- English todaymordacity
From Middle French mordacité (whence -acity), from Latin mordācitās (“quality of biting”), from mordāx (“biting, snappish, tart”), from mordeō (“bite, nibble”). Compare French mordacité. See mordacious.
Etymology from Wiktionary, CC BY-SA 4.0.