| 1 | English | oxygen | The chemical element with an atomic number of 8... |
| 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 |