Themself vs. Theyself
Themselfpronoun
The reflexive form of they, the third-person singular personal pronoun. The single person previously mentioned, as the object of a verb or following a preposition also used for emphasis.
Themselfpronoun
used instead of ‘himself’ or ‘herself’ to refer to a person of unspecified sex
Theyselfpronoun
(nonstandard) themselves
