The story
- Old French · derived frommerveillus
- Middle English · inherited frommerveilous
- English todaymarvelous
First attested from 1300 as Middle English merveilous, from Old French merveillus, from merveille (“a wonder”), equivalent to marvel + -ous.
Words from the same roots
Middle Englishmerveilous all →
Old Frenchmerveillus all →
Etymology from Wiktionary, CC BY-SA 4.0.