tlamatcanemi. ni. biuir quieta, pacifica y sosgadamente. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 125v. col. 2. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
TLAMATCĀNEM(I) pret: -NEN to live quietly, peaceably / vivir quieta, pacifica y sosegadamente (M) [(1)Zp.210]. M also has matcanemini ‘someone calm, peaceable.’ See TLAMATCĀ, NEM(I). Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 281.