cemilhuitl.

Headword: 
cemilhuitl.
Principal English Translation: 

one day, often taken to mean "all day"

James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 87.

IPAspelling: 
semilwitɬ
Alonso de Molina: 

cemilhuitl. vn dia.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 16r. col. 1. Thanks to Joe Campbell for providing the transcription.

Frances Karttunen: 

CEMILHUI-TL a day, all day / un día (M)M See CEM, ILHUI-TL.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 30.

Lockhart’s Nahuatl as Written: 

a day, all day. cē (cem), ilhuitl.
James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 213.

Attestations from sources in English: 

ceyohual cemihuitl quimitztinemizque yn cocoxque = all night and all day they will go about looking at the sick
Fray Alonso de Molina, Nahua Confraternities in Early Colonial Mexico: The 1552 Nahuatl Ordinances of fray Alonso de Molina, OFM, ed. and trans., Barry D. Sell (Berkeley: Academy of American Franciscan History, 2002), 114–115.

Azoc uel achic, azoc cemiluitl in ipaltzinco in totecuyo. Inin tlatolli, itechpa mitoaya in aquin tlatocati, tepachoa: ic tlatlatlauhitloya, ic chicaualoya, ellaquaualo = Perhaps a few minutes, perhaps even a day, with the help of our Lord. These words were said to the ruler, to the person who governed, whereby he was exhorted, fortified, and given courage.
Thelma D. Sullivan, "Nahuatl Proverbs, Conundrums, and Metaphors, Collected by Sahagún," Estudios de Cultura Náhuatl 4 (1963), 164–165.

IDIEZ morfema: 
cemilhuitl.
IDIEZ traduc. inglés: 
all day.
IDIEZ def. náhuatl: 
Ce tonatiuh yahmaxtic quemman nocca tlaneztoc zo tlamintoc tonatiuh. "Adrian cochqui cemilhuitl pampa ihhuiya tlaixpiyato Xococatl. "
IDIEZ morfología: 
cē, ilhuitl.
IDIEZ gramática: 
tlat.
themes: 
Time, Calendar, Frequency