Where does “olefinic” come from?

olefinic (English) comes from English olefin, 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 — Forms agent nouns from verbal roots.

olefinic (English): Characteristic of, or containing olefins

Definitions

  1. Characteristic of, or containing olefins

Ancestry of “olefinic”, step by step

olefinic traces back through two separate lines of ancestry.

via English olefin

StepLanguageWordMeaning
1EnglisholefinAny of a class of unsaturated open-chain...
2EnglisholefiantThat produces oil
3Frenchgaz oléfiant
4French-oleadded to a noun to form a diminutive, or a...
5Latin-olusAlternative form of -ulus; "forming diminutives";...
6Latin-lusAlternative form of -ulus; diminutive suffix
7Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
8Proto-Indo-European-e-lós
9Proto-Indo-European-lósForms agent nouns from verbal roots

via French oléfinique

StepLanguageWordMeaning
1Frencholéfinique
Every word from Proto-Indo-European -lósEvery word from Latin -lusEvery word from Latin -olus