savannah (n.)

also savanna, "treeless plain," 1550s, from Spanish sabana, earlier zavana "treeless plain," from Taino (Arawakan) zabana. In U.S. use, especially in Florida, "a tract of low-lying marshy ground" (1670s).

port city in U.S. state of Georgia, from savana, name applied to the Native Americans in the area by early European explorers, perhaps from a self-designation of the Shawnee Indians, or from the European topographical term (see savannah).