ixnepanoa.

Headword: 
ixnepanoa.
Principal English Translation: 

to come face to face with someone suddenly (see Molina)

IPAspelling: 
iːʃnepɑnoɑ
Alonso de Molina: 

ixnepanoa. nite. (pret. oniteixnepano.) encontrarse cara acara el varon conla muger sin aduertir enello.
ixnepanoa. nitla. (pret. onitlaixnepano.) aforrar algo, o doblar la manta, o juntar la vna conla otra.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 46r. col. 2. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

aiac vel qujiacaujltequj, aiac uel ixpan qujça, aiac vel acopa qujtta, aiac uel qujxnepanoa. = None might cross in front of him; none might come forth before him; none might look up at him; none might come face to face with him.
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 8 -- Kings and Lords, no. 14, Part IX, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1951), 29.