tzopinia.

Headword: 
tzopinia.
IPAspelling: 
tsopiːniɑː
Alonso de Molina: 

tzopinia. nitla. (pret. onitlatzopini.) punzar, picar o dar herronada.
tzopinia. nite. (pret. onitetzopini.) punzar a otro assi.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 153v. col. 2. Thanks to Joe Campbell for providing the transcription.

Frances Karttunen: 

TZOPĪNIĀ vt to prick, jab, puncture something or someone / punzar, picar, o dar herronada (M), punzar a otro así (M) This is synonymous with CHOPĪNIĀ, both being descriptive of the puncturing action of beak, fangs, or talons. See TZOPITIĀ, TZOPŌNIĀ.

TZOPĪNILIĀ applic. TZOPĪNIĀ.

TZOPĪNĪLŌ nonact. TZOPĪNIĀ.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 319.