Etymology Explorer › Latin

Where does “callosus” come from?

callosus (Latin) comes from Latin callum, from Proto-Indo-European kal — hard.

Ancestry of “callosus”, step by step

StepLanguageWordMeaning
1LatincallumA hard or thick substance; The hardened, thick...
2Proto-Indo-Europeankalhard
Every word from Proto-Indo-European kal →