Where does “cò” come from?

cò (Scottish Gaelic) comes from Old Irish cía, from Proto-Celtic *kʷei, from Proto-Indo-European *kʷís.

cò (Scottish Gaelic): who

Definitions

  1. who

Ancestry of “cò”, step by step

StepLanguageWordMeaning
1Old Irishcíawho? what?; whoever, whatever; whatever
2Proto-Celtic*kʷeiwho
3Proto-Indo-European*kʷís—
Every word from Proto-Indo-European *kʷís →Every word from Proto-Celtic *kʷei →Every word from Old Irish cía →