quiniquac. entonces. aduerbio. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 90r. col. 2. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
QUINIHCUĀC when (noninterrogative) / entonces (M) [(6)Cf.100v,101r,131r,(2)Rp.92]. According to C, QUINIHCUĀC is distinct from IHCUĀC in that it implies some prior event (f.100v). See QUIN, IHCUĀC. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 212.
Andrés de Olmos:
entonces Andrés de Olmos, Arte para aprender la lengua Mexicana, ed. Rémi Siméon, facsimile edition ed. Miguel León-Portilla (Guadalajara: Edmundo Aviña Levy, 1972), 189.