Where does “самолёт-заправщик” come from?

самолёт-заправщик (Russian) comes from Russian самолёт, from Russian само́-, from Russian сам, from Old East Slavic самъ, from Proto-Slavic samъ, from Proto-Balto-Slavic *sāmas, from Proto-Indo-European somHós, from Proto-Indo-European sem- — together, one.

самолёт-заправщик (Russian): air tanker aircraft used to deliver liquids (or powders) from the air

Definitions

  1. air tanker aircraft used to deliver liquids (or powders) from the air

Ancestry of “самолёт-заправщик”, step by step

самолёт-заправщик traces back through two separate lines of ancestry.

via Russian самолёт

StepLanguageWordMeaning
1Russianсамолётairplane, aircraft
2Russianсамо́-self-
3Russianсамself, -self
4Old East Slavicсамъself, oneself, alone
5Proto-Slavicsamъself, oneself
6Proto-Balto-Slavic*sāmas
7Proto-Indo-EuropeansomHóssame, alike
8Proto-Indo-Europeansem-together, one

via Russian запра́вщик

StepLanguageWordMeaning
1Russianзапра́вщик
Every word from Proto-Indo-European sem-Every word from Proto-Indo-European somHósEvery word from Proto-Balto-Slavic *sāmas