Where does “rudesome” come from?

rudesome (English) comes from English some, from Middle English som, from Old English sum, from Proto-West Germanic *sum, from Proto-Germanic sumaz, from Proto-Indo-European sem- — together, one.

rudesome (English): Characterised or marked by rudeness

Definitions

Characterised or marked by rudeness

Ancestry of “rudesome”, step by step

rudesome traces back through two separate lines of ancestry.

via English some

Step	Language	Word	Meaning
1	English	some	A certain number, at least two; An indefinite...
2	Middle English	som	some
3	Old English	sum	some
4	Proto-West Germanic	*sum	some
5	Proto-Germanic	sumaz	some (one), a certain (one)
6	Proto-Indo-European	sem-	together, one

via English rude

Step	Language	Word	Meaning
1	English	rude	Bad-mannered; Somewhat obscene, pornographic,...
2	Middle English	rude	—
3	Old French	rude	—
4	Latin	rudis	rough, raw, uncultivated; unrefined, unskilled,...
5	Proto-Indo-European	Hrew-	to tear out, dig out, open, acquire

Every word from Proto-Indo-European sem- →Every word from Proto-Germanic sumaz →Every word from Proto-West Germanic *sum →