Where does “glasswashing” come from?

glasswashing (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.

glasswashing (English): The washing of drinking-glasses

Definitions

  1. The washing of drinking-glasses

Ancestry of “glasswashing”, step by step

glasswashing 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 washing

StepLanguageWordMeaning
1EnglishwashingThe action of the verb to wash; Clothing,...
2Middle EnglishwasshyngeThe process of washing or cleaning
3Old English*wæsċingwashing
Every word from Proto-Indo-European ǵʰelh₃-Every word from Proto-Indo-European ǵʰl̥h₃stósEvery word from Proto-Celtic glastos