air or breath (when reduplicated, ehecatl, it is wind); Ecatl is a name, perhaps it is meant to be Ehecatl at times; e.g. Ecatl was the name of a governor of Tlatelolco in the colonial period (and possibly meant to be Ehecatl) (see the Florentine Codex); also, the name of a rural person (male) in the sixteenth century in what are now the states of Morelos and Puebla (probably among others)
Don Martin hêca ic vme tlatocat in tlatilulco: exiujtl ie impan in españoles. = Don Martin Ecatl [was] the second who governed Tlatilulco. He ruled three years in the time of the Spaniards. (central Mexico, sixteenth century)
ytequitqui ytoca yecatl yn içivauh ytoca tecapa = The tribute payer is named Ecatl. His wife is named Tecapan. (Cuernavaca region, ca. 1540s)