Where does “så in i Norden” come from?

så in i Norden (Swedish) comes from Swedish så, from Swedish sade, from Swedish säd, from Old Norse sáð, from Proto-Germanic sēdiz, from Proto-Indo-European seh₁- — to impress, insert; to sow, to plant; long,...

Ancestry of “så in i Norden”, step by step

så in i Norden traces back through 3 separate lines of ancestry.

via Swedish så

Step	Language	Word	Meaning
1	Swedish	så	so, thus, like that, in that way, in a certain...
2	Swedish	sade
3	Swedish	säd	grain; harvested seeds; semen
4	Old Norse	sáð	seed
5	Proto-Germanic	sēdiz	seed
6	Proto-Indo-European	seh₁-	to impress, insert; to sow, to plant; long,...

via Swedish in

Step	Language	Word	Meaning
1	Swedish	in	into, the direction "from "out" to "in

via Swedish Norden

Step	Language	Word	Meaning
1	Swedish	Norden	—

Every word from Proto-Indo-European seh₁- →