What does salsitūdō mean in Latin?

salsitūdō, a noun, means “saltness, salinity”.

What is the genitive of salsitūdō?

The genitive singular is salsitūdinis. salsitūdō is feminine, third declension.

noun · femininethird declension

salsitūdō f (genitive salsitūdinis)

salsĭtūdo, ĭnis, f. id.,

I. saltness, brackishness, Vitr. 1, 4 fin.—Plur., Plin. 20, 14, 54, § 154.

From salsus + -tūdō.