Where does “Arusoaiei” come from?

Arusoaiei (Romanian) comes from Romanian Rusoaia, from Romanian Rusu, from Romanian rus, from Russian русь, from Old East Slavic Русь, from Finnish ruotsi, from Proto-Finnic *roocci, from Old Swedish roþs- — to row; to separate; loose, sparse, rare.

Ancestry of “Arusoaiei”, step by step

Arusoaiei traces back through two separate lines of ancestry.

via Romanian Rusoaia

StepLanguageWordMeaning
1RomanianRusoaia
2RomanianRusu
3RomanianrusRussian
4RussianрусьRus
5Old East SlavicРусьRus; Ruthenia
6FinnishruotsiSwedish
7Proto-Finnic*roocciSwede originally anyone from Roslagen
8Old Swedishroþs-related to rowing
9Old Norseróðrrowing
10Proto-Germanicrōþrąoar; rudder
11Proto-Indo-Europeanh₁reh₁-to row; to separate; loose, sparse, rare

via Romanian A

StepLanguageWordMeaning
1RomanianA
2Vulgar Latinae(t)
3Latinhabetthird-person singular present active indicative...
4LatinhabeoI have, hold; I own, have; I possess, have
5Proto-Italichabēō
6Proto-Indo-Europeangʰh₁bʰ-to grab, to take; to grab, take
Every word from Proto-Indo-European h₁reh₁-