Where does “bílalest” come from?

bílalest (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.

bílalest (Icelandic): convoy, motorcade

Definitions

convoy, motorcade

Ancestry of “bílalest”, step by step

bílalest 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 lest

Step	Language	Word	Meaning
1	Icelandic	lest	train, file, row, line; railway train; cargo hold
2	Middle Low German	last	—
3	Old Saxon	hladan	to load, to lade
4	Proto-West Germanic	hlaþan	to load
5	Proto-Germanic	hlaþaną	to load
6	Proto-Indo-European	kleh₂-	to put; to lay out
7	Proto-Indo-European	kelh₂-	to beat; to break

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