learn

For the verb: "to learn"

Simple Past:	learned, learnt
Past Participle:	learned, learnt

Concise Oxford English Dictionary © 2008 Oxford University Press:
learn/lɜːn/

▶verb (past and past part. learned or chiefly Brit. learnt)

• 1 acquire knowledge of or skill in (something) through study or experience or by being taught.

  ■ commit to memory.

  ■ become aware of by information or from observation.

• 2 archaic or dialect teach.

– derivatives
learnability noun,
learnable adjective,
learner noun.

– origin OE leornian, of W. Gmc origin; rel. to lore1.