from ten things one, or from ten pairs one, or from ten parts one (see Molina)
Alonso de Molina:
immatlactlamantli centlamantli. de diez cosas vna, o de diez pares vno, o de diez partes a vna. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 38r. col. 2. Thanks to Joe Campbell for providing the transcription.