efface the mark of circumcision

: mid., in peculiar sense of effacing signs of Judaism (cf. , FlJ, , xii, 5, i; v. Thayer, s.v.), : .† to draw on to become as uncircumcised I Mac 1:15 I Co 7:18 Ant.

aantrekken

(lit: I draw over), mid: I become as uncircumcised.

to uncircumcise

to draw over, i.e. (with G203 (ἀκροβυστία) implied) efface the mark of circumcision (by recovering with the foreskin)

become uncircumcised

ἐπι-σπάω, -ῶ [in LXX: Isa.5:18 (מָשַׁךְ), etc. ;] to draw on: mid., in peculiar sense of effacing signs of Judaism (cf. 1Ma.1:15, FlJ, Ant., xii, 5, i; see Thayer, see word), to become as uncircumcised: 1Co.7:18.† (AS)