Where does “日露” come from?

日露 (Japanese) comes from Japanese 露, from Russian Росси́я, from Greek Ῥωσία, 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 “日露”, step by step

日露 traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japanesea dew, dewdrop; a drop or drops of something;...
2RussianРосси́яRussia
3GreekῬωσία
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 Japanese

StepLanguageWordMeaning
1JapaneseSunday
2Old Japanesethe sun; sunlight, sunshine; daytime, daylight
3Proto-Japonic*piday, sun

Words derived from “日露

Every word from Proto-Indo-European h₁reh₁-Every word from Old Swedish roþs-Every word from Proto-Finnic *roocci
日露 — Etymology, Origin & Word History | Etymology Explorer