Reflexive pronoun - Wikipedia
https://en.wikipedia.org/wiki/Reflexive_pronounIn general linguistics, a reflexive pronoun, sometimes simply called a reflexive, is an anaphoric pronoun that must be coreferential with another nominal (its antecedent) within the same clause. In the English language specifically, a reflexive pronoun will end in -self or -selves, and refer to a previously named noun or pronoun (myself, yourself, ourselves, themselves, etc.). English intensive pronouns, used for emphasis, take the same form.