yancuican tlapaliuhcati.

Headword: 
yancuican tlapaliuhcati.
Principal English Translation: 

a groom, fiancé, boyfriend (see Molina)

Alonso de Molina: 

yancuican tlapaliuhcati. nouio.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 30v. col. 2. Thanks to Joe Campbell for providing the transcription.