cuecueyo.

Headword: 
cuecueyo.
Principal English Translation: 

shining, sparkling, shimmering, glistening (see attestations)

Attestations from sources in English: 

cuecueyo = luisant, scintillant; miroitant = shining, sparkling, shimmering
Gran Diccionario del Náhuatl, citing A. Wimmer (2004), https://gdn.iib.unam.mx/diccionario/cuecueyo/47608. Translated from the French to English here by Stephanie Wood. This source also quotes an English translation in Sahagún as "glistening."

See also: 
cuecueyotia.
cuecueyoca.