The story
- Latin · derived fromprōlongō
- Old French · derived fromprolonguer
- English todayprolong
Either a back-formation from prolongation, or from Old French prolonguer or porloignier, from Latin prōlongō, from prō + longō. Doublet of purloin.
Words from the same roots
Latinprōlongō all →
Etymology from Wiktionary, CC BY-SA 4.0.