Where does “glasto” come from?

glasto (Italian) comes from Latin glastum, from Gaulish glastom, from Proto-Celtic glastos, from Proto-Indo-European ǵʰl̥h₃stós, from Proto-Indo-European ǵʰelh₃- — to flourish; green, yellow.

glasto (Italian): woad

Definitions

woad

Ancestry of “glasto”, step by step

Step	Language	Word	Meaning
1	Latin	glastum	woad
2	Gaulish	glastom	—
3	Proto-Celtic	glastos	green, blue
4	Proto-Indo-European	ǵʰl̥h₃stós	—
5	Proto-Indo-European	ǵʰelh₃-	to flourish; green, yellow

Every word from Proto-Indo-European ǵʰelh₃- →

glasto — Etymology, Origin & Word History | Etymology Explorer