Where does “Laurussia” come from?

Laurussia (English) comes from English Russia, from Medieval Latin Russi, from Old East Slavic Русь, from Finnish ruotsi, from Proto-Finnic *roocci, from Old Swedish roþs-, from Old Norse róðr, from Proto-Germanic rōþrą — to row; to separate; loose, sparse, rare.

Laurussia (English): A minor supercontinent made up of the Laurentia, Avalonia and Baltica cratons. Later joined with other continents as part of Pangaea

Definitions

  1. A minor supercontinent made up of the Laurentia, Avalonia and Baltica cratons. Later joined with other continents as part of Pangaea

Ancestry of “Laurussia”, step by step

Laurussia traces back through two separate lines of ancestry.

via English Russia

StepLanguageWordMeaning
1EnglishRussiaIt borders the Pacific and Arctic Oceans and the Baltic, Black, and Caspian Seas. Part of the Soviet Union from 1917 through 1991
2Medieval LatinRussiRussians
3Old East SlavicРусьRus; Ruthenia
4FinnishruotsiSwedish
5Proto-Finnic*roocciSwede originally anyone from Roslagen
6Old Swedishroþs-related to rowing
7Old Norseróðrrowing
8Proto-Germanicrōþrąoar; rudder
9Proto-Indo-Europeanh₁reh₁-to row; to separate; loose, sparse, rare

via English Laurentia

StepLanguageWordMeaning
1EnglishLaurentiaThe craton that forms the geological core of North America, and that was a separate continent in the past (before merging into Laurasia)
2LatinLaurentiusLaurence; Laurente
3Latin-iusforming adjectives from nouns; nominative neuter...
4Proto-Italic-jōsForms comparative adjectives
5Proto-Indo-European-yósCreates adjectives from noun or verb stems

Words derived from “Laurussia

Every word from Proto-Indo-European h₁reh₁-Every word from Old Swedish roþs-Every word from Proto-Finnic *roocci