Where does “یکم” come from?
یکم (Persian) comes from Persian یک, from Middle Persian ʾywk', from Middle Persian ʾy, from Proto-Iranian Háywah, from Proto-Indo-Iranian Háywas, from Proto-Indo-European óynos — one; single.
یکم (Persian): first
Ancestry of “یکم”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Persian | یک | API •; one |
| 2 | Middle Persian | ʾywk' | — |
| 3 | Middle Persian | ʾy | — |
| 4 | Proto-Iranian | Háywah | one |
| 5 | Proto-Indo-Iranian | Háywas | just, only; one |
| 6 | Proto-Indo-European | óynos | one; single |