French word niche comes from Proto-Indo-European *nisdós (Nest.), Latin scio (I can, know, understand, have knowledge.. I know carnally.), Latin ne- (Absolutely negates the principal meaning.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *nisdós | Proto-Indo-European (ine-pro) | Nest. |
| scio | Latin (lat) | I can, know, understand, have knowledge.. I know carnally. |
| ne- | Latin (lat) | Absolutely negates the principal meaning. |
| *nizdos | Proto-Italic (itc-pro) | Nest. |
| scius | Latin (lat) | Cognizant, knowing. |
| nidus | Latin (lat) | Dwelling for animals. Nest. |
| nescio | Latin (lat) | I cannot, I do not know, I am ignorant, I do not understand. |
| nicher | Old French (fro) | |
| nichier | Old French (fro) | To nest (of a bird, to build and maintain a nest). |
| nescius | Latin (lat) | Not knowing how, unable (with infinitive). Unaware, ignorant (of a fact). |
| nisce | Old French (fro) | |
| niche | French (fra) | Kennel (for dog). Niche. |