Tupi language

The Tupí Language was the language spoken by the indigenous Tupí People of Brazil. It was related to Guarani. When Portuguese colonizers first came to Brazil, many of the first people they met spoke Tupí. The Portuguese learned the language so that they could talk to the Tupí and convert them to Christianity. Tupí became a lingua franca of Brazil for many years. Its use was encouraged by Jesuit missionaries.

Tupí
Tupinambá
Native to	Brazil
Ethnicity	Tupinambá, Tupiniquim
Era	(survives as Nheengatu)
Language family	Tupian Tupí–Guarani Tupí
Writing system	Latin
Language codes
ISO 639-3	Either: tpn – Tupinambá (Old Tupí, Brasilica) (as a lingua franca, extinct) tpk – Tupiniquim (Tupinaki) (extinct)
Glottolog	subg1261  Tupi + Omagua-Cocama
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In 1759, the Prime Minister of Brazil forced the Jesuits to leave. More Portuguese settlers that did not speak Tupí moved to Brazil around the same time. These things made most Brazilians want to speak Portuguese instead of Tupí. While Old Tupí is no longer spoken, the Nheengatu language is descended from it.