Where does “stridsflyg” come from?

stridsflyg (Swedish) comes from Swedish flyg, from Swedish flyga, from Old Swedish flȳgha, from Old Norse fljúga, from Proto-Germanic fleuganą, from Proto-Indo-European plewk-, from Proto-Indo-European plew- — to fly, flow, run.

stridsflyg (Swedish): fighter aircraft

Definitions

fighter aircraft

Ancestry of “stridsflyg”, step by step

stridsflyg traces back through two separate lines of ancestry.

via Swedish flyg

Step	Language	Word	Meaning
1	Swedish	flyg	airplane flight
2	Swedish	flyga	to fly
3	Old Swedish	flȳgha	to fly
4	Old Norse	fljúga	to fly
5	Proto-Germanic	fleuganą	to fly
6	Proto-Indo-European	plewk-	to fly, flow, run; to splash, to flap with hands
7	Proto-Indo-European	plew-	to fly, flow, run

via Swedish strid

Step	Language	Word	Meaning
1	Swedish	strid	rapid, swift, rich; a fight, a battle, a quarrel
2	Old Swedish	stridh	strife, war
3	Old Norse	stríð	inflection of stríðr: ## positive degree strong...
4	Proto-Germanic	strīdaz	battle, fight

Every word from Proto-Indo-European plew- →