purport (n.)

early 15c., from Anglo-French purport (late 13c.), Old French porport "contents, tenor," back-formation from purporter "to contain, convey, carry," from pur- (from Latin pro- "forth;" see pur-) + Old French porter "to carry," from Latin portare "to carry" (from PIE root *per- (2) "to lead, pass over").

early 15c., "indicate, express, set forth," from the noun in English and from Anglo-French purporter (c. 1300), from Old French purporter "to contain, convey, carry," from pur- (from Latin pro- "forth;" see pur-) + Old French porter "to carry," from Latin portare "to carry" (from PIE root *per- (2) "to lead, pass over"). Related: Purported; purporting.