King James Bible
King James Version (KJV)

Neuter of a (presumed) adjective from a derivative of aphistemi; properly, something separative, i.e. (specially) divorce -- (writing of) divorcement.
see GREEK aphistemi
1. divorce, repudiation: Matthew 19:7; Mark 10:4 (βιβλίον ἀποστασίου, equivalent to כְּרִיתֻת סֵפֶר book or bill of divorce, Deuteronomy 24:1, 3; (Isaiah 50:1; Jeremiah 3:8)).
2. a bill of divorce: Matthew 5:31. Grotius at the passage and Lightfoot, Horae Hebrew at the passage, We a copy of one.