The story
- Latinflāvus
- GermanKeton
- Englishketone
- English todayflavone
From Latin flāvus (“yellow”) + -one, as many are yellow in nature.
Words from the same roots
Latinflāvus all →
flavonoidflavanilineflavedoflavolflavous
Etymology from Wiktionary, CC BY-SA 4.0.