themself

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/ðɛmˈsɛlf/ English

Definitions

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).“Anyone who wants a car like mine can buy one themself.”

The reflexive case of they, the third-person plural personal pronoun. The group of people, animals or objects previously mentioned, as the object of a verb or following a preposition (also used for emphasis).“They are going to try climbing Mount Everest themselves.”
The reflexive case 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).“Everyone must do it themselves.”