-ca.

Headword: 
-ca.
Principal English Translation: 

original preterit ending; also a pluperfect ending

Horacio Carochi / English: 

c

Attestations from sources in English: 

ōnquīzca = I had left;
ōnicchīuhca = I had done it.
(Pluperfect examples.)
Michel Launey, An Introduction to Classical Nahuatl, translated and adapted by Christopher MacKay (Cambridge: Cambridge University Press, 2011), 222.