Where does “cristalero” come from?

cristalero (Spanish) comes from Spanish cristal, from Old Spanish cristal, from Latin crystallum, from Ancient Greek κρύσταλλος, from Ancient Greek κρύος, from Proto-Indo-European krews- — to form a crust, begin to freeze.

cristalero (Spanish): glass maker

Definitions

glass maker

Ancestry of “cristalero”, step by step

Step	Language	Word	Meaning
1	Spanish	cristal	crystal; glass, glassware; window pane
2	Old Spanish	cristal	crystal, glass
3	Latin	crystallum	a crystal; a thing made from crystal; a gem or...
4	Ancient Greek	κρύσταλλος	ice; rock crystal
5	Ancient Greek	κρύος	cold, chilliness; frost; ice
6	Proto-Indo-European	krews-	to form a crust, begin to freeze

Every word from Proto-Indo-European krews- →Every word from Ancient Greek κρύος →Every word from Ancient Greek κρύσταλλος →