Where does “bílpróf” come from?

bílpróf (Icelandic) comes from Icelandic bíll, from Danish bil, from Danish automobil, from French automobile, from French auto-, from Ancient Greek αὐτο-, from Ancient Greek αὐτός, from Proto-Indo-European h₂ew — Postpositional intensifying particle: indeed, at any rate, in fact.

bílpróf (Icelandic): driving test

Definitions

driving test

Ancestry of “bílpróf”, step by step

bílpróf traces back through two separate lines of ancestry.

via Icelandic bíll

Step	Language	Word	Meaning
1	Icelandic	bíll	car
2	Danish	bil	car, automobile
3	Danish	automobil	automobile
4	French	automobile	automotive; automobile
5	French	auto-	auto- regarding oneself
6	Ancient Greek	αὐτο-	self-
7	Ancient Greek	αὐτός	αὐτή f, αὐτό n; "first/second declension";...
8	Proto-Indo-European	h₂ew	away from, off; again
9	Proto-Indo-European	ǵʰe	Postpositional intensifying particle: indeed, at any rate, in fact

via Icelandic próf

Step	Language	Word	Meaning
1	Icelandic	próf	test; test, exam, examination

Every word from Proto-Indo-European ǵʰe →Every word from Proto-Indo-European h₂ew →Every word from Ancient Greek αὐτός →