WWord Rhythm

thy

/ðaɪ/

Modern equivalent
thy, your (archaic possessive, for consonant starts)
What it means
Archaic second-person singular possessive pronoun; equivalent to 'your', used before words starting with a consonant sound
In the KJV
After this manner therefore pray ye: Our Father which art in heaven, Hallowed be thy name.

Matthew 6:9