oc achitzinca.

Headword: 
oc achitzinca.
Principal English Translation: 

first (this combination of the temporal "oc" with "achitzinca," a little while, implies that something will continue only for a while, until something else happens, which leads to the meaning of "first")

James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press, 2001), 98,

Attestations from sources in English: 

oc achitzinca nican nicehuiz çatepan in milpan namechonnamiquiz = First I will rest here for a little while; later I will go meet you [pl.] at the fields.
James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press, 2001), 98.