itech ca.

Headword: 
itech ca.
Principal English Translation: 

he/she/it is charged with; he/she/it is owing; it pertains to someone

Alonso de Molina: 

itech. en, enel o del.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, f. 42r.

Attestations from sources in English: 

The form -tech ca, to be attached to one, is used at times in postconquest texts where owe would fit in, but the meaning is actually braoder, to be counted against someone, and the phrase could be used with anything for which a person is accountable.
James Lockhart, The Nahuas after the Conquest: A Social and Cultural History of the Indians of Central Mexico, Sixteenth through Eighteenth Centuries (Stanford: Stanford University Press, 1992), 183.

itech ca = He/she is charged with, he/she is owing.
Beyond the Codices, eds. Arthur J.O. Anderson, Frances Berdan, and James Lockhart (Los Angeles: UCLA Latin American Center, 1976), 27.