The story
- Latincrassus
- Vulgar Latin*crassia
- Anglo-Normangrece
- Middle Englishgrece
- Englishgrease
- Proto-Indo-European*lewh₁-
- Proto-Indo-European*lewHs-
- Proto-Germanic*leusaną
- Proto-Germanic*lausaz
- English todaygreaseless
Etymology from Wiktionary, CC BY-SA 4.0.