[th air-self]
Also their·selves [th air-selvz] /ˌðɛərˈsɛlvz/.

Origin of theirself

1250–1300; Middle English; formed on analogy of myself Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for theirself

Contemporary Examples of theirself

Historical Examples of theirself

  • And when they were come to theirself again they went to the good man and prayed him that he would say them truth.

  • Sometimes theirself is substituted for theirselves, as in "they all seen it theirself."

    The American Language

    Henry L. Mencken

Word Origin and History for theirself

c.1300, variant of themself, with self, originally an inflected adjective, treated as a noun with a meaning "person." Related: Theirselves.

Online Etymology Dictionary, © 2010 Douglas Harper