ontetl.

Headword: 
ontetl.
Principal English Translation: 

two (of a class of lump-shaped things) (see Karttunen)

IPAspelling: 
oːntetɬ
Alonso de Molina: 

ontetl. dos.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 77r. col. 2. Thanks to Joe Campbell for providing the transcription.

Frances Karttunen: 

ŌNTE-TL two (of a class of lump-shaped things) / dos (M) See ŌME, TE-TL.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 179.

Attestations from sources in English: 

See also ome.

The orthographic variants onteme and ondeme are found in a colonial (seventeenth-century) Guatemalan music manuscript.
Fernando Horcasitas y Alfred Lemmon, "El Tratado de Santa Eulalia: un manuscrito musical náhuatl," Tlalocan 12 (1997), 90.

themes: 
Numbers, Math