duiu

Old Welsh

Etymology

From Proto-Brythonic *duɨw, from Proto-Celtic *deiwos, from Proto-Indo-European *deywós.

Noun

duiu m or f

  1. god, goddess, divinity
  2. (Christianity) God

Usage notes

This word is principally attested in three sources:

  • As part of the name of the River Dee in Wales, whose feminine gender is confirmed by Ancient Greek Δεουα (Deoua),
  • In the derived name Guasduiu (“Servant of God”), and
  • In the early Irish Sanas Cormaic, where the glossary author occasionally used the Old Welsh word to etymologize some obscure terms.

Derived terms

  • Dubr Duiu
  • duiutit
  • Guasduiu

Descendants

  • Middle Welsh: duu, diu, duw
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