Where does “gwarlas” come from?

gwarlas (Welsh) comes from Welsh glas, from English glass, from Scottish Gaelic glas, from Middle Irish glas, from Old Irish glas, from Proto-Celtic glastos, from Proto-Indo-European ǵʰl̥h₃stós, from Proto-Indo-European ǵʰelh₃- — to flourish; green, yellow.

gwarlas (Welsh): blue-naped

Definitions

  1. blue-naped

Ancestry of “gwarlas”, step by step

gwarlas traces back through two separate lines of ancestry.

via Welsh glas

StepLanguageWordMeaning
1Welshglasblue
2EnglishglassAn amorphous solid, often transparent substance...
3Scottish Gaelicglasgreen; grey; lock
4Middle Irishglas
5Old Irishglasgreen, greenish; blue, green-blue, grey-blue; the...
6Proto-Celticglastosgreen, blue
7Proto-Indo-Europeanǵʰl̥h₃stós
8Proto-Indo-Europeanǵʰelh₃-to flourish; green, yellow

via Welsh gwâr

StepLanguageWordMeaning
1Welshgwârcivilised, tame, gentle
2Proto-Celtic*gʷorosbrooding
3Proto-Indo-Europeangʷʰer-warm, hot
4Proto-Indo-Europeangʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr
Every word from Proto-Indo-European ǵʰelh₃-Every word from Proto-Indo-European ǵʰl̥h₃stósEvery word from Proto-Celtic glastos