What does sculna mean in Latin?

sculna, a noun, means “a mediator, arbiter, umpire”.

What is the genitive of sculna?

The genitive singular is sculnae. sculna is masculine, first declension.

In classical Latin, [ˈskʊɫ.na]; in ecclesiastical (church) Latin, [ˈskul.na].

noun · masculinefirst declension

sculna m (genitive sculnae)

Classical[ˈskʊɫ.na]Ecclesiastical[ˈskul.na]

sculna, ae, m. contr. from seculna, in vulg. lang. = sequester,

I. a mediator, arbiter, umpire, Lavin. and Varr. ap. Gell. 20, 11, 2; Macr. S. 2, 13 fin.

Maybe from Etruscan.