Your, of yore

• 'For -- is the kingdom ...'
• "To ___ own self be true": Shak
• " . . . to ___ own self be true": Shak.
• Slim figure at last is yours!
• "Your" of yore
• "Drink to me only with ___ eyes..."
• Friend's word

Wiktionary Word definitions in Wiktionary
det. (context archaic English) Singular second person prevocalic possessive determiner (preconsonantal form: '''thy'''). pron. (context archaic English) Singular second person possessive pronoun.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
thou \thou\ ([th]ou), pron. [Sing.: nom. Thou ; poss. Thy ([th imac]) or Thine ([th imac]n); obj. Thee ([th =e]). Pl.: nom. You (y[=oo]); poss. Your (y[=oo]r) or Yours (y[=oo]rz); obj. You .] [OE. thou, [thorn]u, AS. [eth =u], [eth]u; akin to OS. & OFries. ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
Old English þin , possessive pronoun (originally genitive of þu "thou"), from Proto-Germanic *thinaz (cognates: Old Frisian, Old Saxon thin , Middle Dutch dijn , Old High German din , German dein , Old Norse þin ), from PIE *t(w)eino- , suffixed form of ...