What does orexis mean in Latin?

orexis, a noun, means “a longing; an appetite”.

What is the genitive of orexis?

The genitive singular is orexis. orexis is feminine, third declension.

In classical Latin, [ɔˈrɛk.sɪs]; in ecclesiastical (church) Latin, [oˈrɛk.sis].

noun · femininethird declension

orexis f (genitive orexis)

Classical[ɔˈrɛk.sɪs]Ecclesiastical[oˈrɛk.sis]

ŏrexis, is, f., = ὄρεξις,

I. a longing, appetite (post-Aug.): rabidam facturus orexim, Juv. 6, 428: hinc surgit orexis, id. 11, 127: orexin, Lampr. Elag. 29 fin.