What does glastum mean in Latin?

glastum, a noun, means “woad”.

What is the genitive of glastum?

The genitive singular is glastī. glastum is neuter, second declension.

noun · neutersecond declension

glastum n (genitive glastī)

glastum, i, n.,

I. the herb woad, used in dyeing blue, usually called Isatis tinctoria, Linn.; Plin. 22, 1, 2, § 2.

From Gaulish *glastom, from Proto-Celtic *glastos (“green”).

What does glastum mean in Latin?: glastum, a noun, means “woad”.
What is the genitive of glastum?: The genitive singular is glastī. glastum is neuter, second declension.