Where does “nos” come from?

nos (Middle Welsh) comes from Latin nox, from Proto-Italic nokts, from Proto-Indo-European nókʷts, from Proto-Indo-European negʷ- — bare, naked.

Ancestry of “nos”, step by step

StepLanguageWordMeaning
1Latinnoxnight; darkness; a dream
2Proto-Italicnoktsnight
3Proto-Indo-Europeannókʷtsnight
4Proto-Indo-Europeannegʷ-bare, naked

Words derived from “nos”

Every word from Proto-Indo-European negʷ- →Every word from Proto-Indo-European nókʷts →Every word from Proto-Italic nokts →