to come or proceed from the interior, from inside (see Molina)
Orthographic Variants:
niticpa uitz
Alonso de Molina:
niticpa uitz. proceder delo interior. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 72r. col. 2. Thanks to Joe Campbell for providing the transcription.