In 'He cut himself', 'cut' is a reflexive verb and 'himself' is a reflexive pronoun.

在He cut himself一句中，cut是反身动词，himself是反身代词。

《牛津词典》

In a sentence, a reflexive pronoun is used as the object.

在一个句子里，反身代名词用来当作宾语。

youdao

Most transitive verbs can take a reflexive pronoun as object.

大部分及物动词可跟反身代词作宾语。

youdao