Where does “oli” come from?

oli (Catalan) comes from Latin oleum, from Ancient Greek ἔλαιον, from Ancient Greek ἐλαία, from Proto-Hellenic elaíwā, from Proto-Indo-European loiwom.

oli (Catalan): oil

Definitions

Ancestry of “oli”, step by step

Step	Language	Word	Meaning
1	Latin	oleum	olive oil; the palaestra
2	Ancient Greek	ἔλαιον	olive oil, commonly used as an anointing oil; any...
3	Ancient Greek	ἐλαία	olive tree; olive; naevus
4	Proto-Hellenic	elaíwā	—
5	Proto-Indo-European	loiwom	—

Words derived from “oli”

allioli
olier
alioli

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