tlacoamatini.

Headword: 
tlacoamatini.
Principal English Translation: 

the person who invites others to eat and drink so that he or she may also partake

Alonso de Molina: 

tlacoamatini. el que combida para combite
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 118r. col. 1. Thanks to Joe Campbell for providing the transcription.