it has now been a year, or yesteryear (see Molina)
Orthographic Variants:
yecexiuitl
Alonso de Molina:
yecexiuitl. agora vn año, o antaño. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 34v. col. 2. Thanks to Joe Campbell for providing the transcription.