scumless (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.
scumless (English): Free of scum
Definitions
Free of scum
Ancestry of “scumless”, step by step
scumless traces back through two separate lines of ancestry.