to belong as a part, right, possession, attribute, etc.; pertain or relate (usually followed by to ): privileges that appertain to members of the royal family.
Origin: 1350–1400;Middle Englisha(p)perte(y)nen < Old Frenchapertenir. See ap-1, pertain
late 14c., from O.Fr. apartenir (12c.), from L.L. adpertinere "to pertain to," from ad- "to, completely" + pertinere "to belong to" (see pertain). To belong as parts to the whole, or as members to a family or class. Related: Appertaining.