ἀκροβυστία

A. foreskin, LXX Ge. 17.11, al., Ph. Fr. 49 H., Act.Ap. 11.3.

II. state of having the foreskin, uncircumcision, Ep.Rom. 2.25, etc.

2. collect., the uncircumcised, ib.2.26, 3.30, etc. (Prob. from ἄκρος and a Semitic root, cf. Bab. buśtu 'pudenda', Heb. bōsheth 'shame': wrongly derived from ἄκρος, βύω by EM 53.48.)