Where does “glassless” come from?

glassless (English) comes 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.

glassless (English): Without glass

Definitions

  1. Without glass

Ancestry of “glassless”, step by step

glassless traces back through two separate lines of ancestry.

via English glass

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

via English less

StepLanguageWordMeaning
1EnglishlessTo a smaller extent or degree; comparative form...
2Middle Englishlesfalse; lying; deceptive; falsehood; a lie
3Old Englishlēasfalse, lax; false, void, loose; devoid of, loose...
4Proto-Germanic*laus

Words derived from “glassless

Every word from Proto-Indo-European ǵʰelh₃-