Where does “Dieselöl” come from?

Dieselöl (German) comes from German Öl, from Middle High German öl, from Old High German oli, from Proto-West Germanic *oli, from Latin oleum, from Ancient Greek ἔλαιον, from Ancient Greek ἐλαία, from Proto-Hellenic elaíwā.

Ancestry of “Dieselöl”, step by step

Dieselöl traces back through two separate lines of ancestry.

via German Öl

StepLanguageWordMeaning
1GermanÖloil
2Middle High Germanöloil
3Old High Germanoli
4Proto-West Germanic*oliolive oil
5Latinoleumolive oil; the palaestra
6Ancient Greekἔλαιονolive oil, commonly used as an anointing oil; any...
7Ancient Greekἐλαίαolive tree; olive; naevus
8Proto-Hellenicelaíwā
9Proto-Indo-Europeanloiwom

via German Diesel

StepLanguageWordMeaning
1GermanDieseldiesel vehicle powered by a diesel engine
Every word from Proto-Indo-European loiwomEvery word from Proto-Hellenic elaíwāEvery word from Ancient Greek ἐλαία