Tiago

Etymology
New Testament form of Jacó. From +, from , from. The regular outcome of Latin word-initial /iV-/ in Portuguese is /d͡ʒV-/; Iacobus must have been borrowed during the Middle Ages. Later, it was contracted to Santiago when referring to the saint, and ultimately suffered juncture reinterpretation (“São Tiago”) in analogy to São Mateus, São Marcos, etc.

Proper noun

 * 1)  the twentieth book of the New Testament of the Bible, the general epistle of James
 * 2) one of two Apostles,  and, often identified with James, brother of Jesus
 * 1) one of two Apostles,  and, often identified with James, brother of Jesus