cemiztitl.

Headword: 
cemiztitl.
Principal English Translation: 

the distance between the tip of the thumb and the tip of the index finger (a measure); literally, one fingernail length (but it is really longer if the fingers are spread apart)

IPAspelling: 
semistitɬ
Alonso de Molina: 

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

Frances Karttunen: 

CEMIZTI-TL the distance from the tip of the thumb to the tip of the forefinger , a small amount / un jeme (C) [(1)cf.118v]. See CEM, (I)ZTE-TL.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 30.

themes: 
Measurements, Quantities