Where does “thi” come from?
thi (Old Frisian) comes from Proto-Germanic þiz, from Proto-Indo-European te, from Proto-Indo-European túh₂ — you, thou.
Ancestry of “thi”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Germanic | þiz | dative/instrumental of *þū |
| 2 | Proto-Indo-European | te | clitic accusative of *túh₂: thee |
| 3 | Proto-Indo-European | túh₂ | you, thou |