yeiconya.

Headword: 
yeiconya.
Principal English Translation: 

a good while ago (see Karttunen)

Orthographic Variants: 
yeīconya
IPAspelling: 
yeiːkonyɑ
Frances Karttunen: 

YEĪCONYA a good while ago / buen rato há (C), hace buen rato (K) [(3)Cf.126r]. The component parts of this cluster are YE, ĪC, and ONYA. The last part is not readily analyzable, but it appears to be the directional prefix ON- and a verb, possibly some reduction of YAUH < YĀ.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 338.