FromProto-Brythonic*kox, borrowed throughVulgar Latin fromLatincoccum(“scarlet berry”), fromAncient Greekκόκκος(kókkos,“berry”). Cognate withWelshcoch(“red”).
kogh
FromLatincucullus(“hood”). Cognate withIrishcochall.
| gwynn | loos,glas | du |
| rudh;kogh | rudhvelyn,melynrudh;gell,gorm | melyn;losvelyn |
| gwyrdh,gwer,glas | ||
| glaswyrdh,glaswer;gwerlas | glaswyn,blou | glas |
| glasrudh,purpur;indigo | majenta;purpur,glasrudh | gwynnrudh,kigliw |