Abbott-Smith Manual Greek Lexicon
ἀκροβυστία (G203)
20 † ἀκροβυστία , -ας, ή (perh. an Alexandrian form of cl. ἀκροποσθία ; cf. MM, VGT , s.v.) [in LXX for עׇרְלָה ;] the prepuce , foreskin (LXX), hence abstr., uncircumcision : Ac 11:3 , Ro 2:25-27 3:30 4:10-12 , I Co 7:18-19 , Ga 5:6 6:15 , Col 2:13 3:11 . By meton., the uncircumcised : Ro 4:9 , Ga 2:7 , Eph 2:11 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain