What does tabācum mean in Latin?

tabācum, a noun, means “tobacco”.

What is the genitive of tabācum?

The genitive singular is tabācī. tabācum is neuter, second declension.

In classical Latin, [taˈbaː.kũː]; in ecclesiastical (church) Latin, [taˈbaː.kum].

noun · neutersecond declension

tabācum n (genitive tabācī)

Classical[taˈbaː.kũː]Ecclesiastical[taˈbaː.kum]

New Latintobacco
2017, Tuomo Pekkanen, Societates tabacariae de periculis tabaci monent. https://areena.yle.fi/1-2864830, Nuntii Latini 1.12.2017Large tobacco companies in the US have at last been forced to publish warnings about the dangers of tobacco in newspapers.

Latinized from Spanish tabaco, itself possibly from Arabic طُبَّاق (ṭubbāq, “Dittrichia viscosa”)