Abbott-Smith Manual Greek Lexicon
ἀποστάσιον (G647)
3 ἀποστάσιον , -ου, τό ( ἀφίστημι ), [in LXX; De 24:1 , 3 , Je 3:8 , Is 50:1 ( כְּרִיתֻת , כְּרִיתוּת )*;] in cl., only in phrase ἀποστασίου δίκη , an action against a freedman for forsaking his προστάτης (Dem.). In LXX, βιβλίον ἀποστασίου , a bill of divorce : Mt 19:7 , Mk 10:4 ; in same sense ἀ. alone (MM, s.v.), Mt 5:31 (for other late exx., v. MM, s.v.; Kennedy, Sources , 121).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain