Strong's #566: apechei (pronounced ap-ekh'-i)
 third person singular present indicative active of 568 used impersonally; it is sufficient:--it is enough.
Thayer's Greek Lexicon:
 ̓́ 
 
  apechei 
 
 1) it is sufficient, it is enough
 
  Part of Speech: verb
Relation: third person singular present indicative active of G568 used impersonally
 
Usage:
This word is used 1 times:
Mark 14:41: "now, and take your rest;  it is enough, the hour is come; behold,"