What does tetanus mean in Latin?

tetanus, a noun, means “A stiffness or spasm of the neck; tetanus; The disease caused by Clostridium tetani.”.

What is the genitive of tetanus?

The genitive singular is tetanī. tetanus is masculine, second declension.

noun · masculinesecond declension

tetanus m (genitive tetanī)

tĕtănus, i, m., = τέτανος,

I. a stiffness or spasm of the neck, tetanus, Plin. 23, 1, 24, § 48; 31, 10, 46, § 122; Scrib. Comp. 101 (in Cels. 4, 3, written as Greek).

From Ancient Greek τέτανος (tétanos); New Latin usage specific to the bacteria-caused disease.