Where does “nos Sul” come from?

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

nos Sul (Welsh): Sunday night

Definitions

  1. Sunday night

Ancestry of “nos Sul”, step by step

nos Sul traces back through two separate lines of ancestry.

via Welsh nos

StepLanguageWordMeaning
1Welshnosnight
2Middle Welshnos
3Latinnoxnight; darkness; a dream
4Proto-Italicnoktsnight
5Proto-Indo-Europeannókʷtsnight
6Proto-Indo-Europeannegʷ-bare, naked

via Welsh Sul

StepLanguageWordMeaning
1WelshSulSunday
2Middle WelshSul
3Latinsōl
4Proto-Indo-Europeansóh₂wl̥sun
Every word from Proto-Indo-European negʷ-Every word from Proto-Indo-European nókʷtsEvery word from Proto-Italic nokts