Where does “یک” come from?
یک (Persian) comes from Middle Persian ʾywk', from Middle Persian ʾy, from Proto-Iranian Háywah, from Proto-Indo-Iranian Háywas, from Proto-Indo-European óynos — one; single.
یک (Persian): API •; one
Ancestry of “یک”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Middle Persian | ʾywk' | — |
| 2 | Middle Persian | ʾy | — |
| 3 | Proto-Iranian | Háywah | one |
| 4 | Proto-Indo-Iranian | Háywas | just, only; one |
| 5 | Proto-Indo-European | óynos | one; single |