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The study aims at evaluating adaptive potential of Gogo language spoken in Dodoma, the capital region of Tanzania, amid drastic urbanization of the last decade. Historical review of the language ecology in the region helps to identify disturbing linguistic contacts and the way the language responded to it thus moving through the four phases of the adaptive cycle postulated by the theory of resilience linguistics: growth, conservation, release, reorganisation. The Bantu-Cushitic contact (14th-17th centuries) lead to the emergence and growth of Gogo koine. The Bantu-Nilotic contact (18th-19th centuries) resulted in the growth (vocabulary expansion) and the conservation of the koine (retention of the achieved complexity). The Bantu-Bantu (Hehe) contact (19th century) had as its effects both release and reorganisation of the achieved complexity in the southern part of Gogo areal (amalgamation with Hehe and formation of the mixed language variety Citiliko) and growth and conservation of the language on the rest of
