Where does “инопланетянин” come from?

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

инопланетянин (Russian): alien, extraterrestrial

Definitions

  1. alien, extraterrestrial

Ancestry of “инопланетянин”, step by step

инопланетянин traces back through two separate lines of ancestry.

via Russian ино́й

StepLanguageWordMeaning
1Russianино́йdifferent; other
2Old East Slavicинъother, another
3Proto-Slavicjьnъother, another; different
4Proto-Balto-Slavic*iˀnas—
5Proto-Indo-Europeanóynosone; single

via Russian плане́та

StepLanguageWordMeaning
1Russianплане́таplanet

Words derived from “инопланетянин”

Every word from Proto-Indo-European óynos →Every word from Proto-Balto-Slavic *iˀnas →Every word from Proto-Slavic jьnъ →