The story
- Latin · derived from-āns
- Latin · derived from-ant-
- Old French · derived from-ance
- Anglo-Norman · derived from-aunce
- Middle English · inherited from-aunce
- English today-ance
From Middle English -aunce, -ance, from Anglo-Norman -aunce and continental Old French -ance, from Latin -ant-, -ent- + -ia, from stem of Latin -āns, -ēns.
Etymology from Wiktionary, CC BY-SA 4.0.