chiuc-

Etymology
According to Andrews, from the adverb, that is, “the count on one hand; five”.

Prefix

 * 1)  five

Usage notes

 * This prefix is found only in the compound numerals, , and.
 * Of the four numerals formed on the base of, two are seemingly irregular:
 * , extended from +, which would otherwise yield *chiuccē.
 * , from +, which would yield *chicuōme, but reduced as the sequence *cuo is impossible in Classical Nahuatl.