Where does “restavfall” come from?

restavfall (Swedish) comes from Swedish rest, from French reste, from Middle French reste, from Old French reste, from Old French rester, from Latin restō, from Latin rĕ-, from Latin prōdūcō — passed , crossed.

restavfall (Swedish): burnable residual waste; waste materials that are not dangerous but cannot be recycled in any way other than through incineration

Definitions

burnable residual waste; waste materials that are not dangerous but cannot be recycled in any way other than through incineration

Ancestry of “restavfall”, step by step

restavfall traces back through two separate lines of ancestry.

via Swedish rest

Step	Language	Word	Meaning
1	Swedish	rest	remainder, rest; remainder; leftover
2	French	reste	rest, remainder; first-person singular present...
3	Middle French	reste	—
4	Old French	reste	—
5	Old French	rester	to stay; to rest; to remain, be left over
6	Latin	restō	to stand firm; to stay behind
7	Latin	rĕ-	back, backwards
8	Latin	prōdūcō	to lead or bring forth, forward or out
9	Latin	prō-	forward direction, forward movement
10	Proto-Italic	*pro-	pro- see the Latin entry for further meanings
11	Proto-Indo-European	pro-	toward, forward
12	Proto-Indo-European	por-	to give birth; forward, through; going, passage
13	Proto-Indo-European	per-	before, in front; first; to go through
14	Proto-Indo-European	pr̥tós	passed , crossed

via Swedish avfall

Step	Language	Word	Meaning
1	Swedish	avfall	waste, refuse, garbage
2	Swedish	fäll	skin, hide, pelt
3	Old Norse	fall	—
4	Old Norse	falla	to fall
5	Proto-Germanic	fallaną	to fall
6	Proto-Indo-European	pōl-	—
7	Slovincian	pól	half
8	Proto-Slavic	polъ	side, flank; half; member of a pair of options →...
9	Proto-Indo-European	(s)pelH-	to split off, separate; to chop, to separate

Every word from Proto-Indo-European pr̥tós →