Where does “oliveira” come from?

oliveira (Old Portuguese) comes from Latin olivaria, from Latin Olīva, from Ancient Greek ἐλαία, from Proto-Hellenic elaíwā, from Proto-Indo-European loiwom.

Ancestry of “oliveira”, step by step

StepLanguageWordMeaning
1Latinolivariainflection of olīvārius: ## nominative/vocative...
2LatinOlīvaan olive fruit
3Ancient Greekἐλαίαolive tree; olive; naevus
4Proto-Hellenicelaíwā—
5Proto-Indo-Europeanloiwom—
Every word from Proto-Indo-European loiwom →Every word from Proto-Hellenic elaíwā →Every word from Ancient Greek ἐλαία →