prosperer
Prosperer is a verb that appears in some English-language texts as an archaic or nonstandard form meaning to prosper. In modern English, the preferred verb is prosper; prosperer is rarely encountered and is generally avoided in formal writing.
Origin and relation: The concept traces to Latin prosperare, meaning to advance well, which gave rise to
Usage notes: When encountered, it is usually in historical novels, poetic pastiche, or attempts at evoking antiquity;