Where does “Castelrosso” come from?

Castelrosso (Italian) comes from Italian rosso, from Latin russus, from Latin Russia, from Old East Slavic Русь, from Finnish ruotsi, from Proto-Finnic *roocci, from Old Swedish roþs-, from Old Norse róðr — to row; to separate; loose, sparse, rare.

Ancestry of “Castelrosso”, step by step

Castelrosso traces back through two separate lines of ancestry.

via Italian rosso

StepLanguageWordMeaning
1Italianrossored; ginger, red; incandescent, red hot
2Latinrussusred, reddish-brown
3LatinRussia
4Old East SlavicРусьRus; Ruthenia
5FinnishruotsiSwedish
6Proto-Finnic*roocciSwede originally anyone from Roslagen
7Old Swedishroþs-related to rowing
8Old Norseróðrrowing
9Proto-Germanicrōþrąoar; rudder
10Proto-Indo-Europeanh₁reh₁-to row; to separate; loose, sparse, rare

via Italian castello

StepLanguageWordMeaning
1Italiancastellocastle
2Latincastellumcastle, fort, citadel, fortress, stronghold; a...
3Latincastrumcastle, fort, fortress; camp, especially a...
4Proto-Italickastromknife
5Proto-Indo-Europeanḱos-tróm
6Proto-Indo-Europeanḱes-to cut off, separate; to cut up, to slaughter; to...
Every word from Proto-Indo-European h₁reh₁-