Principal English Translation:
and then for this reason (see Molina)
Alonso de Molina:
niman ic. y luego por esto. s. se enojo. &c.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 72r. col. 1. Thanks to Joe Campbell for providing the transcription.
Attestations from sources in English:
niman yc = thereupon
Rebecca Horn's notes from Nahuatl classes with James Lockhart, currently being harvested for this dictionary by Stephanie Wood.
Attestations from sources in Spanish:
niman ic hualmotlali in Motecuzumatzin = vino en seguida a asentarse Motecuhzumatzin (centro de México, s. XVI)
Víctor M. Castillo F., "Relación Tepepulca de los señores de México Tenochtitlan y de Acolhuacan," Estudios de Cultura Náhuatl 11 (1974), 183–225, y ver la pág. 200—201.