to divine in water (see Molina, example is given in the first person singular present tense)
Alonso de Molina:
atlan niteitta (pret. atlan oniteittac.) agorear en agua. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 8r. col. 2. Thanks to Joe Campbell for providing the transcription.