Where does “Русьскаꙗ землꙗ” come from?

Русьскаꙗ землꙗ (Old East Slavic) comes from Old East Slavic русьскъ, from Old East Slavic Русь, from Finnish ruotsi, from Proto-Finnic *roocci, from Old Swedish roþs-, from Old Norse róðr, from Proto-Germanic rōþrą, from Proto-Indo-European h₁reh₁- — to row; to separate; loose, sparse, rare.

Ancestry of “Русьскаꙗ землꙗ”, step by step

Русьскаꙗ землꙗ traces back through two separate lines of ancestry.

via Old East Slavic русьскъ

StepLanguageWordMeaning
1Old East SlavicрусьскъRusian
2Old East SlavicРусьRus; Ruthenia
3FinnishruotsiSwedish
4Proto-Finnic*roocciSwede originally anyone from Roslagen
5Old Swedishroþs-related to rowing
6Old Norseróðrrowing
7Proto-Germanicrōþrąoar; rudder
8Proto-Indo-Europeanh₁reh₁-to row; to separate; loose, sparse, rare

via Old East Slavic землꙗ

StepLanguageWordMeaning
1Old East Slavicземлꙗearth, soil; land
2Proto-Slaviczemľaearth, soil; land
3Proto-Balto-Slavic*źémijāˀearth
4Proto-Indo-Europeandʰéǵʰōmearth
5Proto-Indo-European-ōmemphatic suffix or postpositive particle
6Proto-Indo-European-mi
Every word from Proto-Indo-European h₁reh₁-Every word from Old Swedish roþs-Every word from Proto-Finnic *roocci