tlachia.

Headword: 
tlachia.
Principal English Translation: 

to look or see, or observe from a watchtower (see Molina)

Alonso de Molina: 

tlachia. ni. (pret. onitlachix.) mirar o ver, o atalayar.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 117r. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

tlachia (verb) = to see, to look upon
Daniel Garrison Brinton, Ancient Nahuatl Poetry: Containing the Nahuatl Text of XXVII Ancient Mexican Poems (1877), 164.