hueca.

Headword: 
hueca.
Principal English Translation: 

far away; distant; at a distance

Orthographic Variants: 
ueca
IPAspelling: 
wehkɑ
Alonso de Molina: 

ueca. lexos.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 155r. col. 1. Thanks to Joe Campbell for providing the transcription.

Frances Karttunen: 

HUEHCA far away, distant / lejos (M) See HUĒ(I).
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 82.

Horacio Carochi / English: 

huèca = far
Horacio Carochi, S.J., Grammar of the Mexican language with an explanation of its adverbs (1645), translated and edited with commentary by James Lockhart, UCLA Latin American Studies Volume 89 (Stanford: Stanford University Press, UCLA Latin American Center Publications, 2001), 502.

Andrés de Olmos: 

Veca, lexos.
Andrés de Olmos, Arte para aprender la lengua Mexicana, ed. Rémi Siméon, facsimile edition ed. Miguel León-Portilla (Guadalajara: Edmundo Aviña Levy, 1972), 187.

Lockhart’s Nahuatl as Written: 

huehca, particle. distant. huēi, -ca ending of particles with adverbial sense
James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 218.

Attestations from sources in Spanish: 

ueca = lejos
Rémi Siméon, Diccionario de la lengua náhuatl o mexicana (Mexico: Siglo XXI, 1996), xxxiv.