something that cannot be denied or resisted (see Molina)
Orthographic Variants:
amo yxnamiquiztli
Alonso de Molina:
amo yxnamiquiztli. cosa que no se puede contrariar o resistir. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 5r. col. 2. Thanks to Joe Campbell for providing the transcription.