om-.

Headword: 
om-.
Principal English Translation: 

plus, when followed by small numbers; or two of something (also seen as on- and o-)

James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 228.

Orthographic Variants: 
on-
Attestations from sources in English: 

caxtōlli omōme = 17
Michel Launey, An Introduction to Classical Nahuatl, translated and adapted by Christopher MacKay (Cambridge: Cambridge University Press, 2011), 59.

themes: 
Numbers, Math