Morpheme
pur-
Type
prefix
Denotation
forward, forth, toward the front, beforehand, in advance, taking care of, in place of, on behalf of, before, for, in exchange for, just as, in front of, sooner, in favor of, favoring
Etymology
Middle English pur; Anglo-French pur-, por-; Old French por-; Latin pro and Ancient Greek pro
Evidence
purchase, purport, purpose, purvey, purview