ear-wax (see Karttunen)
NACAZTECUIHCUITL(A)-TL ear-wax / su cerilla (T for possessed form) [(2)Tp.132,166]. See NACAZTE-TL, CUITL(A)-TL. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 156.