to give something in return, or to pay with the same type of coin (see Molina)
IPAspelling:
kwepkɑːjoːtiɑ
Alonso de Molina:
cuepcayotia. nitla. (pret. onitlacuepcayoti.) dar algo en retorno, o pagar enla misma moneda. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 26r. col. 1. Thanks to Joe Campbell for providing the transcription.