that very one; or, the same thing; or, it is the same thing (see Molina)
Orthographic Variants:
zanyenoyehua, zan yenoyehua, zan ye noyehua, zan ye no yehua, çanyenoyehua
Alonso de Molina:
zanyenoyehua. esse mismo, o esso mismo, o el mismo es. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 14r. col. 2. Thanks to Joe Campbell for providing the transcription.