What does Iōsēph mean in Latin?

Iōsēph, a proper noun, means “Joseph”.

How do you pronounce Iōsēph?

In classical Latin, [ˈjoː.seːpʰ]; in ecclesiastical (church) Latin, [ˈjɔː.s̬ef].

proper noun · masculine

Iōsēph m (indeclinable)

Classical[ˈjoː.seːpʰ]Ecclesiastical[ˈjɔː.s̬ef]

Iōseph, v. Joseph.

Jōsēph or ĭōsēph, m. indecl.

I. Son of the patriarch Jacob, Just. 36, 2, 6; Vulg. Gen. 30, 24 al.—

II. The husband of Mary, the mother of Jesus, Vulg. Matt. 1, 16; Juvenc. 1, 272.—

III. An inhabitant of Arimathea, Juvenc. 4, 720; Vulg. Matt. 27, 57.

Borrowed from Ancient Greek Ἰωσήφ (Iōsḗph), from Biblical Hebrew יוֹסֵף (yoséf, “may he add”).