Where does “hafgysgu” come from?

hafgysgu (Welsh) comes from Welsh cysgu, from Middle Welsh kyscu, from Proto-Brythonic kuskɨd, from Proto-Celtic *kuxsketi, from Proto-Indo-European ḱewb-, from Proto-Indo-European ḱew-, from Proto-Indo-European gʷṓws — cattle.

hafgysgu (Welsh): aestivate

Definitions

  1. aestivate

Ancestry of “hafgysgu”, step by step

hafgysgu traces back through two separate lines of ancestry.

via Welsh cysgu

StepLanguageWordMeaning
1Welshcysgusleep
2Middle Welshkyscuto sleep
3Proto-Brythonickuskɨdto sleep
4Proto-Celtic*kuxsketito sleep
5Proto-Indo-Europeanḱewb-briar, thorn
6Proto-Indo-Europeanḱew-skin, colour of the skin; to shine; bright; to...
7Proto-Indo-Europeangʷṓwscattle

via Welsh haf

StepLanguageWordMeaning
1Welshhafsummer
2Old Welshham—
3Proto-Brythonichaβ̃summer
4Proto-Celticsamossummer
5Proto-Indo-Europeansm̥-h₂-ó-—
6Proto-Indo-Europeansemh₂-summer, year
Every word from Proto-Indo-European gʷṓws →Every word from Proto-Indo-European ḱew- →Every word from Proto-Indo-European ḱewb- →