to loosen, unfasten something for someone, to remove a baby's diaper or swaddling clothes (see Molina and Karttunen)
IPAspelling:
tohtomiliɑː
Alonso de Molina:
totomilia. nitetla. (pret. onitetlatotomili.) desabrochar a otro o desemboluer la criatura. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 150v. col. 2. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
TOHTOMILIĀ vt to loosen, unfasten something for someone, to remove a baby's diaper or swaddling clothes / desabrochar a otro o desenvolver la criatura (M), se lo desata, se lo suelta (T) [(3)Tp.212]. This also appears in P with the glottal stop marked. applic. TOHTOM(A).
TOHTOMILILIĀ applic. TOHTOMILIĀ.
TOHTOMILĪLŌ nonact. TOHTOMILIĀ. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 244.