to do something with discretion and prudence (see Molina)
Orthographic Variants:
nematcachiua
IPAspelling:
nemɑtkɑːtʃiːwɑ
Alonso de Molina:
nematcachiua. nitla. (pret. onitlanematcachiuh.) hazer algo con discrecion y prudencia. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 67r. col. 1. Thanks to Joe Campbell for providing the transcription.