thyself 1438 # heautou {heh-ow-too'} (including all other cases); from a reflexive pronoun otherwise obsolete and the genitive case (dative case or accusative case) of 846; him- (her-, it-, them-, also [in conjunction with the personal pronoun of the other persons] my-, thy-, our-, your-)self (selves), etc.: -- alone, her (own, -self), (he) himself, his (own), itself, one (to) another, our (thine) own(-selves), + that she had, their (own, own selves), (of) them(-selves), they, {thyself}, you, your (own, own conceits, own selves, -selves).
thyself 2468 # isthi {is'-thee}; second person imperative present of 1510; be thou: -- + agree, be, X give {thyself} wholly to.