Where does “olefiante” come from?

olefiante (Italian) comes from English olefiant, from French gaz oléfiant, 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 “olefiante”, step by step

StepLanguageWordMeaning
1EnglisholefiantThat produces oil
2Frenchgaz oléfiant
3French-oleadded to a noun to form a diminutive, or a...
4Latin-olusAlternative form of -ulus; "forming diminutives";...
5Latin-lusAlternative form of -ulus; diminutive suffix
6Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
7Proto-Indo-European-e-lós
8Proto-Indo-European-lósForms agent nouns from verbal roots
Every word from Proto-Indo-European -lós