Pre-hung

Seal out winter winds or enjoy summer breezes with this pre-hung extruded aluminum combination door.

Source: wiktionary

A wide variety of pre-hung door units are available from building material suppliers. The door usually arrives at the job with the hinges installed on the door and jamb, with the opening bored for the lock.

Source: wiktionary

For about 30 years you have been able to purchase pre-hung doors and door jambs.

Source: wiktionary

Once you've made an opening for a new door you have two options: cut, fit and assemble a 12-piece frame, then hang the door, - or slip in a pre-hung door-frame assembly, shim and nail it into place.

Source: wiktionary