Where does “tywyllwch” come from?

tywyllwch (Welsh) comes from Welsh tywyll, from Old Welsh timuil, from Proto-Brythonic tɨβ̃uɨl, from Proto-Celtic temeslos, from Proto-Indo-European tēmH- — dark.

tywyllwch (Welsh): darkness

Definitions

  1. darkness

Ancestry of “tywyllwch”, step by step

StepLanguageWordMeaning
1Welshtywylldark; darkness
2Old Welshtimuil—
3Proto-Brythonictɨβ̃uɨldarkness
4Proto-Celtictemeslosdarkness
5Proto-Indo-EuropeantēmH-dark
Every word from Proto-Indo-European tēmH- →Every word from Proto-Celtic temeslos →Every word from Proto-Brythonic tɨβ̃uɨl →