my seed, my semen (see Molina; who gives this possessed in the first person singular, no-)
Alonso de Molina:
noquicho. mi simiente. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 73v. col. 2. Thanks to Joe Campbell for providing the transcription.