Where does “иностранка” come from?

иностранка (Russian) comes from Russian иностра́нец, from Russian ино́й, from Old East Slavic инъ, from Proto-Slavic jьnъ, from Proto-Balto-Slavic *iˀnas, from Proto-Indo-European óynos — one; single.

иностранка (Russian): foreigner woman

Definitions

  1. foreigner woman

Ancestry of “иностранка”, step by step

StepLanguageWordMeaning
1Russianиностра́нецforeigner
2Russianино́йdifferent; other
3Old East Slavicинъother, another
4Proto-Slavicjьnъother, another; different
5Proto-Balto-Slavic*iˀnas—
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European óynos →Every word from Proto-Balto-Slavic *iˀnas →Every word from Proto-Slavic jьnъ →