The story
- Proto-Indo-European*h₁én
- Proto-Italic*en
- Proto-Italic*en-
- Latinin-
- Proto-Indo-European*bʰel-
- Proto-Italic*flagmā
- Latinflamma
- Latinflammō
- Latinīnflammō
- English todayinflammo-
From inflamm(ation) + -o-.
Etymology from Wiktionary, CC BY-SA 4.0.