capitao mor
/ˌkapɪtaʊ ˈmɔː/(also capitão mor, capitão mór) Now historical
noun
In Portuguese colonies: (the title of) a nobleman acting as a representative of the Portuguese government and governing a captaincy.
Origin
Early 19th century; earliest use found in Duke of Wellington (1769–1852), army officer and prime minister. From Portuguese capitão mor from capitão + mor.