Where does “castanwydden” come from?

castanwydden (Welsh) comes from Welsh castanwydd, from Welsh gwŷdd, from Middle Welsh gwyð, from Proto-Brythonic *gwuɨð, from Proto-Celtic *weidus, from Proto-Indo-European h₁weydʰh₁-, from Proto-Indo-European dwi-, from Proto-Indo-European dwóh₁ — two.

castanwydden (Welsh): singulative of castanwydd

Definitions

  1. singulative of castanwydd

Ancestry of “castanwydden”, step by step

StepLanguageWordMeaning
1Welshcastanwyddchestnut trees
2Welshgwŷddloom; trees; plough
3Middle Welshgwyð
4Proto-Brythonic*gwuɨðappearance, presence, face, sight, image
5Proto-Celtic*weiduswild
6Proto-Indo-Europeanh₁weydʰh₁-to separate, divide
7Proto-Indo-Europeandwi-two; apart, asunder
8Proto-Indo-Europeandwóh₁two
Every word from Proto-Indo-European dwóh₁Every word from Proto-Indo-European dwi-Every word from Proto-Indo-European h₁weydʰh₁-