Thy, pron.

pronoun

[Abbreviated from thine, q. v.; O. Eng. thin, thine, thy, thi.] Of thee, or belonging to thee; the possessive of thee; — used in the solemn or grave style, and in poetry.

These are thy glorious works, Parent of good. Milton.

Colloquially pronounced thĭ by the English, when unemphasized.