Strong's #1986: epispaomai (pronounced ep-ee-spah'-om-ahee)
 from 1909 and 4685; to draw over, i.e. (with 203 implied) efface the mark of circumcision (by recovering with the foreskin):--become uncircumcised.
Thayer's Greek Lexicon:
 ̓́ 
 
  epispaomai 
 
 1) to draw on (let him not draw on his foreskin)
 
  Part of Speech: verb
Relation: from G1909 and G4685
 
Usage:
This word is used 1 times:
1 Corinthians 7:18: "called being circumcised? let him not  become uncircumcised. Is any called in uncircumcision?"