Where does “oleaginousness” come from?

oleaginousness (English) comes from English oleaginous, from French oléagineux, from Medieval Latin oleāginōsus, from Latin Olea, from Ancient Greek ἐλαία, from Proto-Hellenic elaíwā, from Proto-Indo-European loiwom.

oleaginousness (English): The state or condition of being oleaginous;...

Definitions

  1. The state or condition of being oleaginous;...

Ancestry of “oleaginousness”, step by step

oleaginousness traces back through two separate lines of ancestry.

via English oleaginous

StepLanguageWordMeaning
1EnglisholeaginousOily, greasy; Falsely or affectedly earnest;...
2Frencholéagineuxoleaginous
3Medieval Latinoleāginōsus
4LatinOleaoil
5Ancient Greekἐλαίαolive tree; olive; naevus
6Proto-Hellenicelaíwā
7Proto-Indo-Europeanloiwom

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European loiwomEvery word from Proto-Hellenic elaíwāEvery word from Ancient Greek ἐλαία
oleaginousness — Etymology, Origin & Word History | Etymology Explorer