Is originally a noun or pronoun?

The Word 'originally' is neither a noun or a pronoun.

The Word 'originally' is the adverb form of the adjective 'original'.

Example: He was originally attending the community college.

• The adverb 'originally' modifies the verb 'was attending'.

A noun is a Word for a person, a place or a thing.

• The noun in the example sentence is 'community college', a Word for a thing.

A pronoun is a Word that takes the place in a sentence.

• The pronoun in the example sentence is 'He', which takes the place of a noun for the male person spoken about.