chicueilhuitl.

Headword: 
chicueilhuitl.
Principal English Translation: 

eight days, or a week

Alonso de Molina: 

chicueilhuitl. ocho dias, o vna semana.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 20v. col. 1. Thanks to Joe Campbell for providing the transcription.