thyself

pron

1. (archaic, dialectal, literary)yourself (as the object of a verb or preposition or as an intensifier); reflexive case of thou

   “Thou hast only thyself to blame.”

   “Thou thyself art to blame.”

   “Physician, heal thyself.”

2. (alt-of, honorific)Honorific alternative letter-case form of thyself, sometimes used when referring to God or another important figure who is understood from context.