Where does “cōs” come from?

cōs (Latin) comes from Ancient Greek Κῶς, from Hebrew כוס, from Arabic كُسّ.

Ancestry of “cōs”, step by step

cōs traces back through two separate lines of ancestry.

via Ancient Greek Κῶς

StepLanguageWordMeaning
1Ancient GreekΚῶςKos, an island in the Dodecanese
2HebrewכוסA cup, glass, tumbler; little owl; A pussy
3Arabicكُسّ

via Proto-Italic kōtis

StepLanguageWordMeaning
1Proto-Italickōtis
2Proto-Indo-Europeanḱeh₃-to sharpen, whet; sharpen

Words derived from “cōs

Every word from Arabic كُسّEvery word from Hebrew כוסEvery word from Ancient Greek Κῶς