The story
- Latin · derived fromtemeritās“chance, accident, rashness”
- Old French · derived fromtemerité
- Middle English · inherited fromtemerite
- English todaytemerity
From Middle English temerite, temeryte, from Old French temerité, from Latin temeritās (“chance, accident, rashness”), from temere (“by chance, casually, rashly”). By surface analysis, temer(arious) + -ity.
Etymology from Wiktionary, CC BY-SA 4.0.