to defer something from day to day, or to procrastinate (see Molina; translation to English here by Stephanie Wood)
IPAspelling:
moːmoːstɬɑtɬɑːsɑ
Alonso de Molina:
momoztlatlaza. nitla. (pret. onitlamomoztlatlaz) diferir algo de dia en dia, o procrastinar. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 059r. col. 2. Thanks to Joe Campbell for providing the transcription.