yolicniuh.

Headword: 
yolicniuh.
Principal English Translation: 

a cordial friend

Alonso de Molina: 

yolicniuh. no. amigo mio cordial.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 40r. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

Molina's example is in the first person.