What does Diogenēs mean in Latin?

Diogenēs, a proper noun, means “a masculine praenomen; Diogenes”.

What is the genitive of Diogenēs?

The genitive singular is Diogenis. Diogenēs is masculine, third declension.

In classical Latin, [diˈɔ.ɡɛ.neːs]; in ecclesiastical (church) Latin, [diˈɔː.d͡ʒe.nes].

proper noun · masculinethird declension

Diogenēs m (genitive Diogenis)

Classical[diˈɔ.ɡɛ.neːs]Ecclesiastical[diˈɔː.d͡ʒe.nes]

Dĭŏgĕnes, is, m., = Διογένης.

I. Apolloniates, a celebrated Ionian philosopher, pupil of Anaximenes, Cic. N. D. 1, 12, 29.—

II. The well-known Cynic philosopher of Sinope, Cic. Tusc. 1, 43, 104; id. N. D. 3, 34; id. Mur. 36 et saep.—

III. A Stoic, teacher of Carneades and Laelius, Cic. Div. 1, 3, 6; id. Fin. 2, 8; id. Tusc. 4, 3; id. de Sen. 7 et saep.—

IV. A friend of M. Caelius Rufus, Cic. Fam. 2, 12, 2; id. Cael. ib. 8, 8, 10.

From Ancient Greek Διογένης (Diogénēs).