What does ālum mean in Latin?

ālum, a noun, means “garlic; species of comfrey plant”.

What is the genitive of ālum?

The genitive singular is ālī. ālum is neuter, second declension.

In classical Latin, [ˈaː.ɫũː]; in ecclesiastical (church) Latin, [ˈaː.lum].

noun · neutersecond declension

ālum n (genitive ālī)

Classical[ˈaː.ɫũː]Ecclesiastical[ˈaː.lum]

alum (hal-), n., or alus, i, f.,

I. a plant.

I. Comfrey: Symphytum officinale, Linn.; Plin. 27, 6, 24, § 41; 26, 7, 26, § 42; App. Herb. 59.—

II. A kind of garlic, Plin. 19, 6, 34, § 116.

Unknown.