Bati (endonym: Minakyesu or Minakesi ) is an Austronesian language of eastern Seram Island, Indonesia. It is closely related to Geser and Watubela.Loski, Russell A.; Loski, Gail M. (1989). "The languages indigenous to Eastern Seram and adjacent islands". In Wyn D. Laidig (ed.), Maluku (Workpapers in Indonesian Languages and Cultures, Vol. 6), 103-142. Ambon: Pattimura University and the Summer Institute of Linguistics.

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