Where does “cyfnither” come from?

cyfnither (Welsh) comes from Welsh derw, from Pre-Germanic derwom, from English doru, from Ancient Greek δόρυ, from Proto-Hellenic dóru, from Proto-Indo-European dóru, from Proto-Indo-European drew- — hard, firm, strong, solid; hard, fast; tree.

cyfnither (Welsh): cousin (female first cousin)

Definitions

  1. cousin (female first cousin)

Ancestry of “cyfnither”, step by step

cyfnither traces back through two separate lines of ancestry.

via Welsh derw

StepLanguageWordMeaning
1Welshderwoaks
2Pre-Germanicderwom
3EnglishdoruAlternative form of dory
4Ancient Greekδόρυwood, tree, stem; spear shaft, spear, lance,...
5Proto-Hellenicdórutree
6Proto-Indo-Europeandórutree
7Proto-Indo-Europeandrew-hard, firm, strong, solid; hard, fast; tree

via Welsh nith

StepLanguageWordMeaning
1Welshnithniece
Every word from Proto-Indo-European drew-