Where does “madfall ddŵr” come from?

madfall ddŵr (Welsh) comes from Welsh madfall, from Welsh mabddall, from Welsh mab, from Old Welsh map, from Proto-Brythonic mab, from Proto-Celtic makʷos, from Proto-Indo-European mh₂ḱwos, from Proto-Indo-European meh₂ḱ- — to raise, increase; long.

madfall ddŵr (Welsh): newt

Definitions

  1. newt

Ancestry of “madfall ddŵr”, step by step

madfall ddŵr traces back through two separate lines of ancestry.

via Welsh madfall

StepLanguageWordMeaning
1Welshmadfalllizard; slowworm, blindworm; newt
2Welshmabddallperson who is born blind; blindworm, slowworm;...
3Welshmabboy, son, infant, child of either sex, minor, youth
4Old Welshmapson
5Proto-Brythonicmabson
6Proto-Celticmakʷosson
7Proto-Indo-Europeanmh₂ḱwos
8Proto-Indo-Europeanmeh₂ḱ-to raise, increase; long

via Welsh dŵr

StepLanguageWordMeaning
1Welshdŵrwater; Soft mutation of tŵr
2Middle Welshdwfyrwater
3Proto-Brythonicduβrwater
4Proto-Celticdubrosdark; water
5Proto-Indo-Europeandʰubʰrósdeep
6Proto-Indo-Europeandʰewbʰ-deep
7Proto-Indo-Europeandʰewh₂-smoke; mist, haze

Words derived from “madfall ddŵr

Every word from Proto-Indo-European meh₂ḱ-Every word from Proto-Indo-European mh₂ḱwosEvery word from Proto-Celtic makʷos