The Proto-Indo-European word *wi-
Word *wi-
Meaning in two, asunder, apart, away
See also Proto-Indo-European: *witeros ‘far’
Avestan: vī ‘apart’
Synonyms *hₐet, *sen-i/u-, *dis-, *pro

Comments
Skr. vi, Av. vi-, Hitt. na-wi 'not yet', Eng. wið/with; wid/wide, Gm. widar/wieder; wit/weit Goth. wiþra, ON viðr; viðr