What does crisimus mean in Latin?

crisimus, a adjective, means “critical (of diseases)”.

How do you pronounce crisimus?

In classical Latin, [ˈkrɪ.sɪ.mʊs]; in ecclesiastical (church) Latin, [ˈkriː.s̬i.mus].

adjectivefirst/second-declension adjective

crisimus (feminine crisima, neuter crisimum)

Classical[ˈkrɪ.sɪ.mʊs]Ecclesiastical[ˈkriː.s̬i.mus]

singular
form	masculine	feminine	neuter
nominative	crisimus	crisima	crisimum
genitive	crisimī	crisimae	crisimī
dative	crisimō	crisimae	crisimō
accusative	crisimum	crisimam	crisimum
ablative	crisimō	crisimā	crisimō
vocative	crisime	crisima	crisimum

plural
form	masculine	feminine	neuter
nominative	crisimī	crisimae	crisima
genitive	crisimōrum	crisimārum	crisimōrum
dative	crisimīs	crisimīs	crisimīs
accusative	crisimōs	crisimās	crisima
ablative	crisimīs	crisimīs	crisimīs
vocative	crisimī	crisimae	crisima

crĭsĭmus, a, um, adj., = κρίσιμος,

I. decisive, critical: dies, the day of a crisis, in disease, Cael. Aur. Acut. 1, 14, 108; Censor. 14, 9.

Borrowed from Ancient Greek κρίσιμος (krísimos).