it certainly is that way; or, that is the way it is, it is true
Orthographic Variants:
caçanelli, cazanelli
Alonso de Molina:
cazanelli. ciertamente es assi, o ello es assi verdad. aduerbio. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 11r. col. 1. Thanks to Joe Campbell for providing the transcription.