Where does “небасяг” come from?

небасяг (Belarusian) comes from Belarusian неба, from Old Church Slavonic небо, from Proto-Slavic nȅbo, from Proto-Balto-Slavic *nébas, from Proto-Indo-European nébʰos, from Proto-Indo-European -os — Creates action nouns or result nouns from verbs;...

небасяг (Belarusian): skyscraper

Definitions

  1. skyscraper

Ancestry of “небасяг”, step by step

небасяг traces back through two separate lines of ancestry.

via Belarusian неба

StepLanguageWordMeaning
1Belarusianнебаsky; heaven
2Old Church Slavonicнебоheaven; sky
3Proto-Slavicnȅbosky
4Proto-Balto-Slavic*nébascloud
5Proto-Indo-Europeannébʰoscloud; mist, moisture
6Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

via Belarusian сяга́ць

StepLanguageWordMeaning
1Belarusianсяга́ць
Every word from Proto-Indo-European -osEvery word from Proto-Indo-European nébʰosEvery word from Proto-Balto-Slavic *nébas