ixmachic.

Headword: 
ixmachic.
Principal English Translation: 

to know the location of what is being sought (see Molina)

Alonso de Molina: 

ixmachic. n. saber el lugar donde ay lo que se busca.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 45v. col. 2. Thanks to Joe Campbell for providing the transcription.