Reteach (verb)

To teach again, especially something that has been forgotten or not fully learned.

Origin:

Re- + teach.

Examples:

1. I had to reteach my son how to tie his shoes.
2. The teacher had to reteach the material to the students who had failed the test.
3. After a long absence, I had to reteach myself how to play the piano.
4. It was necessary to reteach the new employee the proper procedures.
5. The coach decided to reteach the team the basic plays.