itech itauhquin dios.

(a loanword from Spanish)

itech itauhquin dios.
Principal English Translation: 

something dedicated, or consecrated for God (see Molina)
(partly a loanword from Spanish, dios, God)

Alonso de Molina: 

itech itauhquin dios. cosa dedicada, o consagrada a dios.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 42r. col. 2. Thanks to Joe Campbell for providing the transcription.