a tribute or promise made by the guard of a fortress (see Molina)
Alonso de Molina:
yaocalpializnetolli. omenaje que haze el alcaide dela fortaleza. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 31r. col. 1. Thanks to Joe Campbell for providing the transcription.