Where does “oleaginously” come from?

oleaginously (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.

oleaginously (English): In an oleaginous manner

Definitions

  1. In an oleaginous manner

Ancestry of “oleaginously”, step by step

oleaginously 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 ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European loiwomEvery word from Proto-Hellenic elaíwāEvery word from Ancient Greek ἐλαία