Principal English Translation:
to make or do that thing; an applicative
Attestations from sources in English:
A transitive verb that ends in -oa, when having the applicative ending (-huia, -lhuia, or -alhuia) becomes an honorific.
Michel Launey, An Introduction to Classical Nahuatl, translated and adapted by Christopher MacKay (Cambridge: Cambridge University Press, 2011), 215.
An ending that, when added to a noun, makes it into a verb:
pochtli = smoke (noun)
pochuia = to smoke
Robert Haskett and Stephanie Wood's notes from Nahuatl sessions with James Lockhart and subsequent research.