The story
- Latin · derived fromcōnfirmātiō
- Old French · derived fromconfirmacion
- Middle English · inherited fromconfirmacioun
- English todayconfirmation
From Middle English confirmacioun, from Old French confirmacion, from Latin cōnfirmātiō, noun of process from cōnfirmātus (“confirmed”), perfect passive participle of cōnfirmāre, from con- (“with”) + firmāre (“to firm or strengthen”). Morphologically confirm + -ation.
Etymology from Wiktionary, CC BY-SA 4.0.