Where does “tudalen” come from?

tudalen (Welsh) comes from Welsh tu, from Proto-Brythonic tʉβ, from Proto-Celtic toibos — side.

tudalen (Welsh): page one side of a leaf of a book

Definitions

  1. page one side of a leaf of a book

Ancestry of “tudalen”, step by step

tudalen traces back through two separate lines of ancestry.

via Welsh tu

StepLanguageWordMeaning
1Welshtuside; beside, next to
2Proto-Brythonictʉβstrength, growth
3Proto-Celtictoibosside

via Welsh dalen

StepLanguageWordMeaning
1Welshdalensingulative of dail; Soft mutation of talen
Every word from Proto-Celtic toibosEvery word from Proto-Brythonic tʉβEvery word from Welsh tu