Where does “nos Fawrth” come from?

nos Fawrth (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 Fawrth (Welsh): Tuesday night

Definitions

  1. Tuesday night

Ancestry of “nos Fawrth”, step by step

nos Fawrth 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 Mawrth

StepLanguageWordMeaning
1WelshMawrthMars, Tuesday
2Latinmartiusof March, the first month of the traditional...
3LatinMarswar, battle, conflict
4LatinMavorsMars
5Proto-ItalicMāwortis
Every word from Proto-Indo-European negʷ-Every word from Proto-Indo-European nókʷtsEvery word from Proto-Italic nokts