What does Cōnstāns mean in Latin?

Cōnstāns, a proper noun, means “a masculine cognomen, held most notably by the emperor Constans”.

What is the genitive of Cōnstāns?

The genitive singular is Cōnstantis. Cōnstāns is masculine, third declension.

In classical Latin, [ˈkõː.stãːs]; in ecclesiastical (church) Latin, [ˈkɔn.stans].

proper noun · masculinethird declension

Cōnstāns m sg (genitive Cōnstantis)

Classical[ˈkõː.stãːs]Ecclesiastical[ˈkɔn.stans]

Constans, antis, m.,

I. a Roman proper name, Aur. Vict. Epit. 41; Eutr. 10, 9.

Nominalization of cōnstāns. Compare Valēns.

Descendants

adjectivethird-declension one-termination adjective

cōnstāns²

cōnstāns (genitive cōnstantis, comparative cōnstantior, superlative cōnstantissimus, adverb cōnstanter)

Classical[ˈkõː.stãːs]Ecclesiastical[ˈkɔn.stans]

singular
form	masculine	feminine	neuter
nominative	cōnstāns	cōnstāns	cōnstāns
genitive	cōnstantis	cōnstantis	cōnstantis
dative	cōnstantī	cōnstantī	cōnstantī
accusative	cōnstantem	cōnstantem	cōnstāns
ablative	cōnstantī cōnstante	cōnstantī cōnstante	cōnstantī cōnstante
vocative	cōnstāns	cōnstāns	cōnstāns

plural
form	masculine	feminine	neuter
nominative	cōnstantēs	cōnstantēs	cōnstantia
genitive	cōnstantium	cōnstantium	cōnstantium
dative	cōnstantibus	cōnstantibus	cōnstantibus
accusative	cōnstantīs cōnstantēs	cōnstantīs cōnstantēs	cōnstantia
ablative	cōnstantibus	cōnstantibus	cōnstantibus
vocative	cōnstantēs	cōnstantēs	cōnstantia

constans, antis, Part. and P. a., from consto.

Present active participle of cōnstō (“stand together”).