Where does “Maashorst” come from?

Maashorst (Dutch) comes from Dutch Maas, from Middle Dutch Mase, from Old Dutch Masa, from Proto-Germanic Masō, from Proto-Celtic Mosā.

Ancestry of “Maashorst”, step by step

Maashorst traces back through two separate lines of ancestry.

via Dutch Maas

StepLanguageWordMeaning
1DutchMaasMeuse
2Middle DutchMase—
3Old DutchMasaMeuse
4Proto-GermanicMasōMeuse
5Proto-CelticMosā—

via Dutch horst

StepLanguageWordMeaning
1Dutchhorstan area of the earth's surface which is raised...
2Middle Dutchhorst—

Words derived from “Maashorst”

Every word from Proto-Celtic Mosā →Every word from Proto-Germanic Masō →Every word from Old Dutch Masa →