OVERLEARN

Etymology

Verb

overlearn (third-person singular simple present overlearns, present participle overlearning, simple past and past participle overlearnt or overlearned)

To learn (something) more than is necessary; to study excessively, to take (something) too much to heart.

(psychology, education) To learn (something) to the point where responses become instinctive.

(modeling) Mostly when talking about neural networks, to learn a task to the point where responses actually start to degrade. Compare with overfit, in model tuning contexts.

Source: Wiktionary