The story
- Proto-West Germanic · inherited from*kāsijalubi
- Old English · inherited fromcȳslybb
- Middle English · inherited fromcheslip“rennet”
- English todaycheeselep
From Middle English cheslip (“rennet”), from Old English cȳslybb, cīeslybb (“rennet”), from Proto-West Germanic *kāsijalubi (literally “cheese medicine, cheese potion”). Equivalent to cheese + lib.
Etymology from Wiktionary, CC BY-SA 4.0.