thīˈself pronoun
Etymology: Middle English, alteration (influenced by thy & herself ) of theeself, from Old English thē selfum & thē selfne, dative & accusative respectively of thū self thou thyself — more at thou , thee , self
archaic : yourself
thou to thyself wast cruel — John Milton
physician, heal thyself — Lk 4:23 (Authorized Version)
do thyself no harm — Acts 16:28 (Authorized Version)
thou thyself hast … shed a gleam — William Wordsworth
thou hadst power thyself to keep this vow — Robert Herrick †1674
he whom next thyself of all the world I loved — Shakespeare
as if it were thyself that's here — William Wordsworth
me than thyself more miserable — John Milton
thyself and thy belongings are not thine own — Shakespeare
thyself should govern Rome and me — Shakespeare
thou … standest smiling in thy future grave, … thyself thy monument — Sidney Lanier
— used especially in biblical, ecclesiastical, solemn, or poetical language, and to some extent in the speech of Friends especially among themselves