FromProto-Indo-European*déh₁, whence alsoLatindē.^[1]

*dī

1. from

   Synonym:*au

• *dī-

• Proto-Brythonic:*di(“from”)
  • Middle Cornish:de,dy,dhe(attested in partitive use)
    • ⇒ Cornish:dyworth
  • Old Welsh:di(a hapax, do not confuse with the homonym meaning "to, for")
    • ⇒ Welsh:oddi(used to make more complex prepositions)
• Old Irish:di,de
  • Irish:de
  • Manx:jeh
  • Scottish Gaelic:de

• Matasović, Ranko (2009) “*dī”, inEtymological Dictionary of Proto-Celtic (Leiden Indo-European Etymological Dictionary Series; 9), Leiden:Brill,→ISBN,page97