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 loiwom →Every word from Proto-Hellenic elaíwā →Every word from Ancient Greek ἐλαία →