retrain

re- +‎ train

• Rhymes: -eɪn

retrain (third-person singular simple present retrains, present participle retraining, simple past and past participle retrained)

1. (transitive, intransitive) To train again; especially, to train or study in a new subject or job
   • 1989 February 25, “Hospital Will Retrain Workers to Save Jobs”, in New York Times‎:

     New York City's largest hospital has agreed to retrain some unionized employees whose jobs were to be eliminated under an austerity drive, the hospital and its largest labor union said yesterday.

• terrain, trainer