yacatolli. mocos. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 30v. col. 1. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
YACATOL-LI snot / mocos (M) [(1)Bf.11v, (2)Tp.138,248]. YAC(A)-TL. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 333.