The Proto-Indo-European word *hₐet-
Word *hₐet-
Meaning to go
See also Proto-Indo-European: *hₐetnos ‘year’
Synonyms *h₁ei-, *wegh-, *ghredh-, *h₁el-, *yehₐ, *meihₓ-, *sed-, *steigh-

Comments
Mallory J.P. and Adams D. (2006)