Where does “scumbag” come from?

scumbag (English) comes from English scum, from Middle English scum, from Middle Dutch schūme, from Old Dutch *scūm, from Frankish skūm, from Proto-Germanic skūmaz, from Proto-Indo-European (s)kewH- — to cover, bedeck; cover.

scumbag (English): condom; sleazy, disreputable or despicable...

Definitions

condom; sleazy, disreputable or despicable...

Ancestry of “scumbag”, step by step

scumbag traces back through two separate lines of ancestry.

via English scum

Step	Language	Word	Meaning
1	English	scum	A layer of impurities that accumulates at the...
2	Middle English	scum	—
3	Middle Dutch	schūme	foam
4	Old Dutch	*scūm	—
5	Frankish	skūm	foam; froth, foam
6	Proto-Germanic	skūmaz	film; grime; scum; foam; froth; yeast
7	Proto-Indo-European	(s)kewH-	to cover, bedeck; cover

via English bag

Step	Language	Word	Meaning
1	English	bag	A flexible container made of cloth, paper,...
2	Middle English	bagge	A fabric container; a bag, sack, pouch, purse, or...
3	Old Norse	baggi	bag, pack, satchel, bundle
4	Proto-Indo-European	bʰak-	—

Words derived from “scumbag”

Every word from Proto-Indo-European (s)kewH- →