Where does “triwec'h” come from?

triwec'h (Breton) comes from Breton tri, from Middle Breton try, from Old Breton tri, from Proto-Brythonic tri, from Proto-Celtic trīs, from Proto-Indo-European *tréyes.

triwec'h (Breton): eighteen

Definitions

  1. eighteen

Ancestry of “triwec'h”, step by step

triwec'h traces back through two separate lines of ancestry.

via Breton tri

StepLanguageWordMeaning
1Bretontrithree
2Middle Bretontry—
3Old Bretontri—
4Proto-Brythonictrithree
5Proto-Celtictrīsthree
6Proto-Indo-European*tréyes—

via Breton c’hwec’h

StepLanguageWordMeaning
1Bretonc’hwec’hsix
2Middle Bretonhuech—
3Proto-Brythonichwexsix
4Proto-Celticswexssix
5Proto-Indo-Europeanswéḱssix
Every word from Proto-Indo-European *tréyes →Every word from Proto-Celtic trīs →Every word from Proto-Brythonic tri →