Where does “thy” come from?
Thy comes from Middle English thy, from Old English þȳ and þæt, from Proto-Germanic þat, from Proto-Indo-European tód and só, the demonstrative root meaning "that" or "the one."
thy (English): Possessive form of thou: that which belongs to...
Definitions
- Possessive form of thou: that which belongs to...
Ancestry of “thy”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Middle English | þi | second-person singular possessive determiner:... |
| 2 | Middle English | þin | Second-person singular possessive determiner:... |
| 3 | Old English | þīn | — |
| 4 | Proto-Germanic | *þīn | — |
| 5 | Proto-Germanic | þīnaz | your, yours ; 2nd person singular possessive |
| 6 | Proto-Indo-European | téynos | thy; thine |
| 7 | Proto-Indo-European | túh₂ | you, thou |