Is each a pronoun adjective or a noun?

The Word 'each' is a pronoun, an adjective, and an adverb.

The indefinite pronoun 'each' takes the place of a noun for an unknown or unnamed amount.

example: Each of you will have a turn.

The adjective 'each' is placed before a noun to describe that noun as every one of two or more people or things.

example: Each customer receives a discount coupon for their next visit.

The adverb 'each' is used after a noun or amount to modify as for, to, or from each one.

example: The tickets are twelve dollars each.