Where does “ルバシカ” come from?

ルバシカ (Japanese) comes from Russian руба́шка, from Russian -ка, from Proto-Slavic -ьka, from Proto-Balto-Slavic -ikaʔ, from Proto-Indo-European -ikeh₂.

ルバシカ (Japanese): kosovorotka, rubashka, tolstovka

Definitions

  1. kosovorotka, rubashka, tolstovka

Ancestry of “ルバシカ”, step by step

StepLanguageWordMeaning
1Russianруба́шкаbutton-up shirt
2Russian-каnow, just
3Proto-Slavic-ьka—
4Proto-Balto-Slavic-ikaʔ—
5Proto-Indo-European-ikeh₂—
Every word from Proto-Indo-European -ikeh₂ →Every word from Russian -ка →Every word from Proto-Slavic -ьka →