Where does “Holandia” come from?

Holandia (Polish) comes from Dutch Holland, from Old Dutch holt, from Proto-West Germanic holt, from Proto-Germanic hultą, from Proto-Indo-European kald-, from Proto-Indo-European kola-.

Ancestry of “Holandia”, step by step

StepLanguageWordMeaning
1DutchHollandin [[patriot
2Old Dutchholtwood; tree; a wood, a forest
3Proto-West Germanicholtwoods, forest; wood
4Proto-Germanichultąwood
5Proto-Indo-Europeankald-
6Proto-Indo-Europeankola-

Words derived from “Holandia

Every word from Proto-Indo-European kola-