[ ap per tayn ]
intransitive verb (usu. used with "to")
To belong or pertain, whether by right, nature, appointment, or custom; to relate.
Old English, apperteinen, apertenen; Old French, apartenir, French appartenir, from Latin appertinere; ad + pertinere to reach to, belong. See "pertain."
All things are either sacred or profane.
The former to ecclesiasts bring gain;
The latter to the devil appertain.
--Ambrose Bierce, The Devil's Dictionary