let it be that … , on with … (a compound introductory particle for clauses expressing strong wishes and exhortations) (see Molina and see Karttunen for macuele)
Alonso de Molina:
maocque. lo mesmo es que macuele. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 52r. col. 2. Thanks to Joe Campbell for providing the transcription.