to wash; e.g. to wash clothing (see Molina)
ixpopoa. nitla. (pret. onitlaixpopouh.) alimpiar ropa. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 46v. col. 2. Thanks to Joe Campbell for providing the transcription.