at an end

at an end

Finished, typically after a long duration. My time as an undergrad is at an end. Time to get a job, I guess. The president's tenure is at an end after a turbulent two terms.
See also: end
Farlex Dictionary of Idioms.

at an end

having come to a stop; having reached the end. Things are now at an end. It's over between us. It's at an end. Good-bye.
See also: end
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • be at an end
  • stick it out
  • for hours on end
  • stick it to the end
  • sign off
  • light at the end of the tunnel
  • Who's calling?
  • borrowed time
  • borrowed time, on
  • anticipointment