Where does “gaz oléfiant” come from?

gaz oléfiant (French) comes from French -ole, from Latin -olus, from Latin -lus, from Proto-Italic -elos, from Proto-Indo-European -e-lós, from Proto-Indo-European -lós — Forms agent nouns from verbal roots.

Ancestry of “gaz oléfiant”, step by step

StepLanguageWordMeaning
1French-oleadded to a noun to form a diminutive, or a...
2Latin-olusAlternative form of -ulus; "forming diminutives";...
3Latin-lusAlternative form of -ulus; diminutive suffix
4Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
5Proto-Indo-European-e-lós
6Proto-Indo-European-lósForms agent nouns from verbal roots

Words derived from “gaz oléfiant

Every word from Proto-Indo-European -lósEvery word from Latin -lusEvery word from Latin -olus