The story
- Late Latin · derived fromperpunctum
- Anglo-Norman · derived frompurpoint
- Middle English · inherited frompurpoynt
- English todaypourpoint
From Middle English purpoynt, from Anglo-Norman purpoint, alteration of perpoint, from Late Latin perpunctum, from per- + punctum (“pierced”). The modern spelling is influenced by French pourpoint.
Etymology from Wiktionary, CC BY-SA 4.0.