Where does “[[nebe]], [[nebo]]” come from?

[[nebe]], [[nebo]] (Old Czech) comes 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;...

Ancestry of “[[nebe]], [[nebo]]”, step by step

StepLanguageWordMeaning
1Proto-Slavicnȅbosky
2Proto-Balto-Slavic*nébascloud
3Proto-Indo-Europeannébʰoscloud; mist, moisture
4Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

Words derived from “[[nebe]], [[nebo]]”

Every word from Proto-Indo-European -os →Every word from Proto-Indo-European nébʰos →Every word from Proto-Balto-Slavic *nébas →