Where does “parapetrolero” come from?

parapetrolero (Spanish) comes from Spanish petrolero, from Spanish petróleo, from Medieval Latin petroleum, from Latin oleum, from Ancient Greek ἔλαιον, from Ancient Greek ἐλαία, from Proto-Hellenic elaíwā, from Proto-Indo-European loiwom.

parapetrolero (Spanish): para-petroleum

Definitions

para-petroleum

Ancestry of “parapetrolero”, step by step

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

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