ipeuhcan.

Headword: 
ipeuhcan.
Principal English Translation: 

in the beginning or at the beginning (see Molina; and see peuhcayotl)

Alonso de Molina: 

ipeuhcan. en el comienzo, o en el principio, o al principio.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 42r. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

The i- appears to act like a possessor, and the -can a locative. We also see itzin ipeuhca, or ytzin ypeuhca, typically paired, relating to the beginning and starting point. I wonder if ipeuhca should really be ipeuhcan? (SW)

themes: 
Time, Calendar, Frequency