something that causes grief, pain, or upset feelings
onaci in iyollo tecoco = the grief even reaches his very heart
ahtle tecoco ticmomachilti ahtle mitzmamanili = you knew nothing painful, nothing bothered you
In popocatiuh, in chichinauhtiuh. Inin tlatolli, itechpa mitoaya: in aquin cenca chicaoac tlatolli ic tenonotza, ioan tecoco tlatolli = He is smoking, he is sizzling. This was said of the person who reprimanded others in very harsh words, words that stung.
ca huel tecoco huel onpa onquiz ynic onicnocuili yn iztatlaltzintli ca popotica otiquiuhpanaia oticnechicohuaya yn iztatlaltzintli = me costaron mucho trabajo el haberlas de adquirir porque p[a]ra coger la tierra, para hacer la sal, era menester barella [sic pro: barrerla] yo personalmente (Tlatelolco, 1609)