Where does “cochlas” come from?

cochlas (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.

cochlas (Welsh): purple, reddish blue

Definitions

  1. purple, reddish blue

Ancestry of “cochlas”, step by step

cochlas 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 coch

StepLanguageWordMeaning
1Welshcochred
2Middle Welshcochred
3Proto-Brythonickox
4Latincoccuma scarlet berry of various plants; a gall of...
5Ancient Greekκόκκοςgrain, seed, kernel; The kermes oak; insects of...
Every word from Proto-Indo-European ǵʰelh₃-