The story
- Latin · derived fromdēflagrō
- Latin · borrowed fromdēflagrātus
- English todaydeflagrate
First attested in 1727; borrowed from Latin dēflagrātus, perfect passive participle of Latin dēflagrō (see -ate (verb-forming suffix)), from dē- + flagrō (“to burn”).
Etymology from Wiktionary, CC BY-SA 4.0.