Where does “Prosser” come from?

Prosser is an English surname derived from Welsh ap, a patronymic prefix meaning "son of," from earlier Welsh fab with the same meaning.

Ancestry of “Prosser”, step by step

Step	Language	Word	Meaning
1	English	pross	—
2	English	prostitute	To offer for sexual activity in exchange for...
3	French	prostituée	prostitute
4	Latin	prōstitutus	—
5	Latin	prōstituō	—
6	Latin	statuo	I set up, station; I establish, determine, fix; I...
7	Latin	stātus	—
8	Latin	stō	—
9	Proto-Italic	staēō	stand
10	Proto-Indo-European	sth₂éh₁yeti	—
11	Proto-Indo-European	*steh₂-	—

Prosser — Etymology, Origin & Word History | Etymology Explorer