[thine] adj [ME thin, fr. OE thin] (bef. 12c) archaic: thy--used esp. before a word beginning with a vowel or h
[2]thine pron, sing or pl in constr [ME thin, fr. OE thin, fr. thin thy--more at thy] (bef. 12c) archaic: that which belongs to thee--used without a following noun as a pronoun equivalent in meaning to the adjective thy--used esp. in ecclesiastical or literary language and still surviving in the speech of Friends esp. among themselves