The story
- Latin · derived fromsupplicatio, supplicationem
- Old French · derived fromsupplication
- Middle English · inherited fromsupplicacioun
- English todaysupplication
From Middle English supplicacioun, supplication, from Old French supplication, from Latin supplicatio, supplicationem, from supplicare (“to supplicate”). By surface analysis, supplicate + -ion.
Etymology from Wiktionary, CC BY-SA 4.0.