to ante up or open a game by staking or bidding a certain sum (see Molina and definitions of envidar)
Alonso de Molina:
oppa ixquich nictlanitoa. (pret. oppa ixquich onictlanito.) embidar en juego. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 77v. col. 2. Thanks to Joe Campbell for providing the transcription.