thy vs. thine

thy

pronoun

  1. the possessive case of thou (used as an attributive adjective before a noun beginning with a consonant sound):

    thy table.

thine

pronoun

  1. the possessive case of thou 1 used as a predicate adjective, after a noun or without a noun.
  2. the possessive case of thou 1 used as an attributive adjective before a noun beginning with a vowel or vowel sound: Compare thy.

    thine eyes; thine honor.

  3. that which belongs to thee:

    Thine is the power and the glory.