What does Mālāchiās mean in Latin?

Mālāchiās, a proper noun, means “Malachi, a book of the Tanakh and Old Testament”.

What is the genitive of Mālāchiās?

The genitive singular is Mālāchiae. Mālāchiās is masculine, first declension.

proper noun · masculinefirst declension

Mālāchiās m sg (genitive Mālāchiae)

From Ancient Greek Μαλαχίας (Malakhías), from Hebrew מַלְאָכִי (mal'achi, malʼāḵî, literally “my messenger”).

What does Mālāchiās mean in Latin?: Mālāchiās, a proper noun, means “Malachi, a book of the Tanakh and Old Testament”.
What is the genitive of Mālāchiās?: The genitive singular is Mālāchiae. Mālāchiās is masculine, first declension.