one's hearing (see Karttunen), a necessarily possessed form
IPAspelling:
-nɑkɑskoyok
Frances Karttunen:
-NACAZCOYOC a necessarily possessed form, one's hearing / su oído, su auditivo (Z) [(2)Zp.91,160]. M has the necessarily possessed locative form nacazco 'in one's ears.' See NACAZ-TLI, COYOCTLI. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 156.