ic chicuacemilhuitl in ce semana.

(a loanword from Spanish)

ic chicuacemilhuitl in ce semana.
Principal English Translation: 

Friday (see Molina); literally the sixth day of the week
(partly a loanword from Spanish, semana, week)

Orthographic Variants: 
ic chiquacemilhuitl in ce semana
Alonso de Molina: 

icchiquacemilhuitl ince semana. el viernes.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 32r. col. 1. Thanks to Joe Campbell for providing the transcription.