purport (n.)

early 15c., "meaning, tenor, the surface or expressed meaning of a document, etc.; that which is conveyed or expressed," from Anglo-French purport (late 13c.), Old French porport "contents, tenor," back-formation from purporter "to contain, convey, carry; intend," 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"). Meaning "that which is to be done or effected" is from 1650s.

1520s, "indicate, express, set forth, convey to the mind as the meaning or thing intended," from the noun in English and from Anglo-French purporter (c. 1300), from Old French purporter "to contain, convey, carry; intend," 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.