Teachest

To show (someone) the way; to guide, conduct; to point, indicate.

"‘The bliss is there’, mumbled the old man and taught to Heaven."

(ditransitive) To pass on knowledge to.

"Can you teach me to sew?  Can you teach sewing to me?"

To pass on knowledge, especially as one's profession; to act as a teacher.

"She used to teach at university."

(ditransitive) To cause to learn or understand.