Proto-IE: *yā-
Meaning: to move (intr.), to ride (?)
Hittite: ija- (II) 'gehen, wandeln, marschieren' (Tischler 343ff)
Tokharian: A yā-, B iyā- (PT *(y)iyā-) 'go, travel' (Adams 66)
Old Indian: yā́ti `to go, move, walk'
Avestan: yāiti `to go, move, walk'
Latin: iānus, -ī/-ūs m. `gewölbter Durchgang, Torbogen', iānua f.`Tür'
Celtic: *jātu-s: OIr āth `Furt'
Russ. meaning: двигаться, ехать (на лошади ?)
References: WP I 102 f
piet-meaning,piet-hitt,piet-tokh,piet-ind,piet-avest,piet-slav,piet-balt,piet-germ,piet-lat,piet-celt,piet-rusmean,piet-refer,