venenosity

The story

1. Medieval Latin · derived fromvenēnōsitas
2. Middle French · derived fromvenenosite
3. Middle English · inherited fromvenenosite
4. English todayvenenosity

From Middle English venenosite, venenositee, venenoste, venenouste, from Middle French venenosite or Medieval Latin venēnōsitas. By surface analysis, venene + -osity. Piecewise doublet of venomosity.