Where does “Danimarka” come from?

Danimarka (Basque) comes from French Danemark, from Danish Danmark, from Old Norse Danmǫrk, from Old Norse mǫrk, from Proto-Germanic markō, from Proto-Indo-European morǵ- — edge, boundary, border; frontier, border.

Ancestry of “Danimarka”, step by step

Step	Language	Word	Meaning
1	French	Danemark	—
2	Danish	Danmark	Denmark
3	Old Norse	Danmǫrk	—
4	Old Norse	mǫrk	mark, by weight or value, = eight ounces; forest
5	Proto-Germanic	markō	border, boundary; region, area
6	Proto-Indo-European	morǵ-	edge, boundary, border; frontier, border

Every word from Proto-Indo-European morǵ- →Every word from Proto-Germanic markō →Every word from Old Norse mǫrk →