Where does “gaeafgysgu” come from?

gaeafgysgu (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.

gaeafgysgu (Welsh): hibernate

Definitions

  1. hibernate

Ancestry of “gaeafgysgu”, step by step

gaeafgysgu 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 gaeaf

StepLanguageWordMeaning
1Welshgaeafwinter; Soft mutation of caeaf
2Middle Welshgayaf—
3Old Welshgaem—
4Proto-Celticgyemoswinter
5Proto-Indo-Europeanǵʰyem-winter
Every word from Proto-Indo-European gʷṓws →Every word from Proto-Indo-European ḱew- →Every word from Proto-Indo-European ḱewb- →