The Book of Tobit (/ˈtoʊbɪt/; from the Greek: Τωβίθ Tōbith or Τωβίτ Tōbit, itself from Hebrew: טובי Tobi "my good"; Book of Tobias in the Vulgate from the Greek Τωβίας Tōbias, itself from the Hebrew טוביה Tovyah "Yah is good") is a book of scripture that is part of the Catholic and Orthodox biblical canon, pronounced canonical by the Council of Hippo (in 393), Councils of Carthage of 397 and 417, Council of Florence (in 1442) and confirmed for Roman Catholics by the Council of Trent (1546).
The Book of Tobit is listed in the canon of the Council of Hippo (393 AD),Councils of Carthage (397 AD) and (419 AD),Council of Florence (1442) and finally the Council of Trent (1546), and is part of the canon of both the Roman Catholic Church and Eastern Orthodox Churches. Roman Catholics often refer to it as deuterocanonical.