ichtacapiltontli.

Headword: 
ichtacapiltontli.
Principal English Translation: 

a child born outside of wedlock (see Molina)

Alonso de Molina: 

ichtacapiltontli. bastardo o bastarda.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 32v. col. 1. Thanks to Joe Campbell for providing the transcription.