cuacuauhnotl.

Headword: 
cuacuauhnotl.
Principal English Translation: 

the first born (male or female) (see Molina)

Orthographic Variants: 
quaquauhnotl
Alonso de Molina: 

quaquauhnotl. primogenito, o primogenita.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 85v. col. 1. Thanks to Joe Campbell for providing the transcription.