Latin word ni comes from Proto-Indo-European *nēy
| Dictionary entry | Language | Definition |
|---|---|---|
| *nēy | Proto-Indo-European (ine-pro) | |
| *néy | Proto-Indo-European (ine-pro) | not |
| nei | Old Latin (itc-ola) | |
| ni | Latin (lat) | Not, if...not, unless- an absolutely negative particle like ne so only in combinations Not, that not, unless; like ne in imperative and intentional clauses. |