Where does “castanwydd” come from?

castanwydd (Welsh) comes 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.

castanwydd (Welsh): chestnut trees

Definitions

  1. chestnut trees

Ancestry of “castanwydd”, step by step

castanwydd traces back through two separate lines of ancestry.

via Welsh gwŷdd

StepLanguageWordMeaning
1Welshgwŷddloom; trees; plough
2Middle Welshgwyð—
3Proto-Brythonic*gwuɨðappearance, presence, face, sight, image
4Proto-Celtic*weiduswild
5Proto-Indo-Europeanh₁weydʰh₁-to separate, divide
6Proto-Indo-Europeandwi-two; apart, asunder
7Proto-Indo-Europeandwóh₁two

via Welsh castan

StepLanguageWordMeaning
1Welshcastanchestnut
2Middle Welshkastan—
3Latincastaneaa chestnut tree; a chestnut
4Ancient GreekκαστάνειαAlternative form of κᾰ́στᾰνᾰ; chestnut
5Ancient Greekκᾰ́στᾰνᾰsweet chestnuts; chestnut

Words derived from “castanwydd”

Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Indo-European dwi- →Every word from Proto-Indo-European h₁weydʰh₁- →