to belong as a part, right, possession, attribute, etc.; pertain or relate (usually fol. by to): privileges that appertain to members of the royal family.
Origin: 1350–1400; ME a(p)perte(y)nen < OF apertenir.See ap-1, pertain
ap·per·tain (āp'ər-tān') intr.v.
ap·per·tained, ap·per·tain·ing, ap·per·tains To belong as a proper function or part; pertain: problems appertaining to social reform.
[Middle English appertenen, from Old French apartenir, from Vulgar Latin *appartenēre, from Late Latin appertinēre : ad-, ad- + pertinēre, to belong; see pertain.]
c.1386, from O.Fr. apartenir, 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.