Abbott-Smith Manual Greek Lexicon
ἄτερ (G817)
2 ** ἄτερ , prep. , [in LXX: II Mac 12:15 *;] in cl. most freq. in poets; without , apart from : c. gen., Lk 22:6 , 35 (for exx. from π. , v. MM, s.v.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain