quezquilhuitl.

Headword: 
quezquilhuitl.
Principal English Translation: 

how many days?; some number of days; a few days; several days

IPAspelling: 
keːskilwitɬ
Alonso de Molina: 

quezquilhuitl? quantos dias?
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 89v. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

Aun niman iquezquilhuioc = Then some days after that
James Lockhart, We People Here: Nahuatl Accounts of the Conquest of Mexico, Repertorium Columbianum v. 1 (Los Angeles: UCLA Center for Medieval and Renaissance Studies, 1993), 206.

Quēzquilhuitl might be broken down into quēzqui ilhuitl, but it is usually written together, unlike quēzqui xihuitl, which is usually written as two words.
Michel Launey, An Introduction to Classical Nahuatl, translated and adapted by Christopher MacKay (Cambridge: Cambridge University Press, 2011), 63.