milcalatl. cierta ranilla. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 56v. col. 1. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
CALĀ-TL frog / rana (Z) [(4)Zp.105,143,230]. M has milcalatl ‘a type of frog.’ See CACA.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 21.