cauallo ipan niauh.

(a loanword from Spanish)

cauallo ipan niauh.
Principal English Translation: 

to go or get around by horse (see Molina)
(partially a loanword from Spanish; caballo, horse)

Orthographic Variants: 
caballo ipan niauh
Alonso de Molina: 

cauallo ipan niauh. (pret. cauallo ipan onia.) yr o andar a cauallo.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 12v. col. 2. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

Example is given in the first person.