The story
- Late Latin · derived frompūnctus“point”
- Medieval Latin · borrowed frompūnctuālis“relating to a point”
- English todaypunctual
Borrowed from Medieval Latin pūnctuālis (“relating to a point”), from Late Latin pūnctus (“point”) + -ālis (adjective suffix).
Etymology from Wiktionary, CC BY-SA 4.0.