something that is discounted from a debt with another (see Molina)
Orthographic Variants:
ipam poliuini, ipan polihuini, ipan poliuini
Alonso de Molina:
ipam poliuini. cosa que se descuenta de vna deuda con otra. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 41v. col. 1. Thanks to Joe Campbell for providing the transcription.