to write or paint using gold (?), to fashion something with gold (?) (see Molina)
Orthographic Variants:
teocuitla ihcuiloa
Alonso de Molina:
teocuitla icuiloa. ni. (pret. oniteocuitla icuilo.) labrar de sinzel. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 100v. col. 1. Thanks to Joe Campbell for providing the transcription.