phlegmon

The story

1. Ancient Greek · derived fromφλεγμονή“inflammation, fiery heat”
2. Latin · derived fromphlegmōn
3. English todayphlegmon

From Latin phlegmōn, phlegmonē (“inflammation beneath the skin”), from Ancient Greek φλεγμονή (phlegmonḗ, “inflammation, fiery heat”), from φλέγω (phlégō, “burn”).