Where does “Danmörk” come from?

Danmörk (Icelandic) comes from Old Norse Danmǫrk, from Old Norse mǫrk, from Proto-Germanic markō, from Proto-Indo-European morǵ- — edge, boundary, border; frontier, border.

Ancestry of “Danmörk”, step by step

StepLanguageWordMeaning
1Old NorseDanmǫrk—
2Old Norsemǫrkmark, by weight or value, = eight ounces; forest
3Proto-Germanicmarkōborder, boundary; region, area
4Proto-Indo-Europeanmorǵ-edge, boundary, border; frontier, border
Every word from Proto-Indo-European morǵ- →Every word from Proto-Germanic markō →Every word from Old Norse mǫrk →