Where does “oljesand” come from?

oljesand (Norwegian Bokmål) comes from Norwegian Bokmål olje, from Latin oleum, from Ancient Greek ἔλαιον, from Ancient Greek ἐλαία, from Proto-Hellenic elaíwā, from Proto-Indo-European loiwom.

oljesand (Norwegian Bokmål): oil sand(s)

Definitions

oil sand(s)

Ancestry of “oljesand”, step by step

oljesand traces back through two separate lines of ancestry.

via Norwegian Bokmål olje

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

via Norwegian Bokmål sand

Step	Language	Word	Meaning
1	Norwegian Bokmål	sand	sand
2	Old Norse	sandr	sand; sandbanks, sands, sandy ground
3	Proto-Germanic	samdaz	sand
4	Proto-Indo-European	sámh₂dʰos	sand
5	Proto-Indo-European	sem-	together, one

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