pure wine, not mixed with anything else (see Molina; partly a loan word, huino = vino = wine)
Orthographic Variants:
motquitica uino
Alonso de Molina:
motquitica uino. vino puro. i. no mezclado con otra cosa. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 060v. col. 2. Thanks to Joe Campbell for providing the transcription.