Meaning & History
Brose is a German surname derived from the given name Ambrose. The name Ambrose originates from the Late Latin name Ambrosius, which in turn comes from the Greek Ἀμβρόσιος (Ambrosios), meaning "immortal." Saint Ambrose, a 4th-century theologian and bishop of Milan who is considered a Doctor of the Church, helped popularize the name in Christian Europe, though it never became especially common in England.
The surname Brose fits a pattern across European cultures where given names were shortened or patronymically transformed into family names. In German-speaking regions, Ambrose was occasionally adapted into surnames like Brose, likely via a truncated form (Ambros → Bros → Brose). Cognate surnames appear in other languages, reflecting the name's wide Christian usage: Broz (Croatian), Brož and Brožová (Czech, feminine), Ambrogi and Ambrosi (Italian), as well as the augmentative D'Ambrosio (meaning "of Ambrose").