ecacehuaztli.

Headword: 
ecacehuaztli.
Principal English Translation: 

fan, or an instrument with which to chase away flies (see Molina); also, a fan used in dancing (and symbolic for war) (see Bierhorst); images of these fans seem to show that they are made of feathers

Orthographic Variants: 
ecaceuaztli
IPAspelling: 
ehkɑseːwɑːstɬi
Alonso de Molina: 

ecaceuaztli. moxcador.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 28r. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in Spanish: 

quetzalecacehuaztli etetl = tres manijas (Tetepango, Hidalgo, 1586)
Vidas y bienes olvidados: Testamentos indígenas novohispanos, vol. 2, Testamentos en náhuatl y castellano del siglo XVI, eds., Teresa Rojas Rabiela, Elsa Leticia Rea López, Constantino Medina Lima (Mexico: Consejo Nacional de Ciencias Tecnología, 1999), 264–265.