Thy (district) definition

Etymology 1

From the thi, thy, apocopated form of M.E. thin(e), thyn "thy, thine" from "thy, thine", genitive of "thou". More at thou

Pronoun

thy

That belongs to thee; the possessive form of thou.
(Archaic or literary): your (informal); that belongs to you (singular).

Etymology 2

thy, short for for thy, forthy from for þȳ [þe] "because [that]" from for (instrumental preposition) + þȳ "by that", instrumental case of þæt. More at the, that