English prosper

← Old French prosperer (derived)

← Proto-Indo-European *speh₁- (root)

← Proto-Indo-European *speh₁- (derived)

← Proto-Italic *prosparos (derived)

← Latin prosperō (derived)

← Latin prosperus (mention)

← Latin spēs (mention)

→ English prosperity (suffix)

→ English prospereth (suffix)

→ English prosperest (suffix)

→ English prosperless (affix)