What does Nectanabis mean in Latin?

Nectanabis, a proper noun, means “The name of a king of Egypt”.

What is the genitive of Nectanabis?

The genitive singular is Nectanabis. Nectanabis is masculine, third declension.

In classical Latin, [nɛkˈta.na.bɪs]; in ecclesiastical (church) Latin, [nekˈtaː.na.bis].

proper noun · masculinethird declension

Nectanabis m sg (genitive Nectanabis)

Classical[nɛkˈta.na.bɪs]Ecclesiastical[nekˈtaː.na.bis]

Nectanăbis, is or idis, m. (Nectĕ-bis, Plin. 36, 9, 14, § 67; 36, 13, 19, § 89; Tert. Anim. 57: Nectănĕbus, Nep. Chabr. 2, 2),

I. a king of Egypt, Nep. Ages. 8, 6.

Borrowed from Ancient Greek Νεκτάναβις (Nektánabis), itself from Egyptian n:*xt-x*t:D40-nb:f (nḫt-nb.f).