See quotation.
1837. They [he Indians] make bird-lime from the juice of the Gum Elemi, which they call Gumbo-limbo. Gum Elemi.Called by the inhabitants Gumbo-limbo, is a large spreading tree, with a smooth brown bark, which has the appearance of having been varnished.John L. Williams, The Territory of Florida, pp. 26, 98 (N.Y.).