From Latin Ianus 'id.' The Roman god of beginnings, archways, passages, time, and duality. He is depicted having two faces: one looking to the future and the other to the past. The origin of his name is simple, taken from Latin ianus "archway."
From Proto-Italic *jānu- "door." From Proto-Indo-European *i̯eh2-n-u- "corridor" (an n-derivation of earlier *i̯eh2- "to go").
B yoñiya "path"