Where does “oleosome” come from?

oleosome (English) comes from English oleo, from Latin oleum, from Ancient Greek ἔλαιον, from Ancient Greek ἐλαία, from Proto-Hellenic elaíwā, from Proto-Indo-European loiwom.

Ancestry of “oleosome”, step by step

oleosome traces back through two separate lines of ancestry.

via English oleo

StepLanguageWordMeaning
1EnglisholeoThe various fats and oils that go into the making...
2Latinoleumolive oil; the palaestra
3Ancient Greekἔλαιονolive oil, commonly used as an anointing oil; any...
4Ancient Greekἐλαίαolive tree; olive; naevus
5Proto-Hellenicelaíwā
6Proto-Indo-Europeanloiwom

via English some

StepLanguageWordMeaning
1EnglishsomeA certain number, at least two; An indefinite...
2Middle Englishsomsome
3Old Englishsumsome
4Proto-West Germanic*sumsome
5Proto-Germanicsumazsome (one), a certain (one)
6Proto-Indo-Europeansem-together, one
Every word from Proto-Indo-European loiwom
oleosome — Etymology, Origin & Word History | Etymology Explorer