theeself

English

From thee +‎ -self.

theeself

(archaic, dialect) yourself
- 1874, Benj. N. Martin, Choice Specimens of American Literature, And Literary Reader‎^[1]:
  There was a will, friend, a true and lawful last will and testament of thee deceased uncle, in which theeself and thee cousin was made the sole heirs of the same.
- 1880, Henry Woodcock, The Hero of the Humber‎^[2]:
  Does thou think anybody but theeself would jump overboard a night like this?

			personal pronoun			possessive pronoun	possessive determiner
			subjective	objective	reflexive	possessive pronoun	possessive determiner
first person	singular		I me (colloquial)	me	myself me mysen	mine	my mine (before vowels, archaic) me
first person	plural		we	us	ourselves ourself oursen	ours ourn (obsolete outside dialects)	our
second person	singular	standard (historically formal)	you	you	yourself yoursen	yours yourn (obsolete outside dialects)	your
	singular	archaic (historically informal)	thou	thee	thyself theeself thysen	thine	thy thine (before vowels)
	plural	standard	you ye (archaic)	you	yourselves	yours yourn (obsolete outside dialects)	your
		colloquial	you all y'all you guys yous	you all y'all you guys yous	y'allselves	all yours y'all's you guys' your guys'	all your y'all's your all's (nonstandard) you guys' your guys'
		informal / dialectal	(see list of dialectal forms at you* and inflected forms in those entries*)
third person	singular	masculine	he	him	himself hisself (archaic) hissen	his hisn (obsolete outside dialects)	his
		feminine	she	her	herself hersen	hers hern (obsolete outside dialects)	her
		neuter	it hit	it hit	itself hitself	its his (archaic)	its his (archaic) hits
		genderless¹	they	them	themself, themselves	theirs	their
		nonspecific (formal)	one	one	oneself	–	one's
	plural		they	them hem, 'em	themselves theirsen	theirs theirn (obsolete outside dialects)	their

¹ See Appendix:English third-person singular pronouns for attested neopronouns.