What does Tzadia mean in Latin?

Tzadia, a proper noun, means “Chad (a country in Central Africa)”.

What is the genitive of Tzadia?

The genitive singular is Tzadiae. Tzadia is feminine, first declension.

In classical Latin, [ˈdza.di.a]; in ecclesiastical (church) Latin, [ˈtd͡zaː.di.a].

proper noun · femininefirst declension

Tzadia f sg (genitive Tzadiae)

Classical[ˈdza.di.a]Ecclesiastical[ˈtd͡zaː.di.a]

femininesingularChad (a country in Central Africa)
Dixit omnes familias suam partem accepturas esse, sed eas ceteris antepositum iri, quae in Aegyptum, Sudaniam aut Tzadiam emigrare vellent.1993, Latinankieliset uutiset, number 2, page 138:
Ad Tzadiae episcopos, occasione oblata Ad Limina et Burundiae episcopos, AAS 75 (1983) 1024-1027; 1030-1035.1995, Agapit J. Mroso, The Church in Africa and the New Evangelisation, →ISBN, page 426: