Where does “кислород” come from?

кислород (Macedonian) comes from Russian кислоро́д, from French oxygène, from Ancient Greek γένος, from Proto-Hellenic génos, from Proto-Indo-European ǵénh₁os, from Proto-Indo-European ǵenh₁- — to produce, to beget, to give birth.

кислород (Macedonian): oxygen

Definitions

oxygen

Ancestry of “кислород”, step by step

Step	Language	Word	Meaning
1	Russian	кислоро́д	oxygen
2	French	oxygène	oxygen; inflection of oxygéner: ##...
3	Ancient Greek	γένος	offspring, descendant; family, clan; nation, race
4	Proto-Hellenic	génos	family; race
5	Proto-Indo-European	ǵénh₁os	race, lineage
6	Proto-Indo-European	ǵenh₁-	to produce, to beget, to give birth

Every word from Proto-Indo-European ǵenh₁- →Every word from Proto-Indo-European ǵénh₁os →Every word from Proto-Hellenic génos →