late 14c., from Old French plurel "more than one" (12c., Modern French pluriel), from Latin pluralis "of or belonging to more than one," from plus (genitive pluris) "more" (see plus). The noun meaning "a plural number" is from late 14c.
plunder
plunge
plunger
plunk
pluperfect
plural
pluralism
plurality
pluri-
pluripotential
plus