English word thy comes from Old English (ca. 450-1100) furþon, Old English (ca. 450-1100) þȳ
Dictionary entry | Language | Definition |
---|---|---|
furþon | Old English (ca. 450-1100) (ang) | |
þȳ | Old English (ca. 450-1100) (ang) | |
forthy | Middle English (1100-1500) (enm) | |
þyn | Middle English (1100-1500) (enm) | |
thy | English (en) | (archaic, literary) The possessive form of thou: that belongs to thee; that belongs to you (singular). |