relearn

From re- +‎ learn.

• (UK) IPA^(key): /ɹiːˈləːn/

relearn (third-person singular simple present relearns, present participle relearning, simple past and past participle relearned or relearnt)

1. (transitive) To learn (something) again. [from 17th c.]
   • 1977, Alistair Horne, A Savage War of Peace, New York Review Books 2006, p. 111:

     Prison – as was to be relearnt by the French repeatedly in the course of the Algerian war […] – is a marvellous recruiting and training centre.

• learner