thine
Thine (det) means Archaic form of "your", used before a vowel sound. Example: “Thine eyes have seen the glory.”
How to use thine
Learner’s notesIn plain EnglishAn old-fashioned way of saying "your" or "yours", still seen in classic literature, prayers, and poetry.
Archaic — only used today for deliberate old-fashioned or poetic effect (Shakespeare, the King James Bible, wedding vows).
Fill the gap
Can you complete this real example?
_____ eyes have seen the glory.
Etymology
From Old English þīn, the old second-person possessive — the ancestor of "your" and "yours".