FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

apostasion ἀποστάσιον — ap-os-tas'-ee-on — neuter of a (presumed) adjective from a derivative of 868; properly, something separative, i.e. (specially) divorce:--(writing of) divorcement.

see GREEK for 868