The Proto-Indo-European word *steigh-
Word *steigh-
Meaning to go, to step (up)
See also Proto-Indo-European: *stíghs ‘path’
Synonyms *h₁ei-, *wegh-, *ghredh-, *h₁el-, *hₐet-, *yehₐ, *meihₓ-, *sed-

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