to exercise or carry out the job of the merchant (see Molina)
Orthographic Variants:
pochtecauia
Alonso de Molina:
pochtecauia. nitla. (pret. onitlapochtecaui.) tractar y exercitar su officio el mercader. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 82v. col. 2. Thanks to Joe Campbell for providing the transcription.