The story
- French · derived fromleprosite
- Medieval Latin · derived fromleprositas“state of being leprous, leprosy”
- Middle English · inherited fromleprosite
- English todayleprosity
From Middle English leprosite, from Medieval Latin leprositas (“state of being leprous, leprosy”) either directly or via French leprosite, from leprōsus (“leprous”) + -itas (“-ity”).
Etymology from Wiktionary, CC BY-SA 4.0.