to howl or roar (speaking of an animal) (see Molina; transl. to Engl. here by SW)
IPAspelling:
tekojoɑ
Alonso de Molina:
tecoyoa. ni. aullar o bramar el animal. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 93r. col. 1. Thanks to Joe Campbell for providing the transcription.