"banana," 1555, from Sp.
plátano, plántano, probably from Carib
platana "banana" (Arawak
pratane), and altered by assoc. with Sp.
plátano "plane tree," from M.L.
plantanus "plane tree," itself altered (by association with L.
planta "plant") from L.
platanus (see
plane (4)). So called from the shape of its leaves. There is no similarity or relation between this plant and
plantain (2).