In Irish mythology, Tuireann (Old Irish: Tuirenn or Tuirill Biccreo) was the father of Creidhne, Luchtaine and Giobhniu by Brigid.
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His name points to a Proto-Indo-European root which gives us words for thunder or related concepts even today, for instance the Old English "Thunores Dæg" (Thursday), as well as dedication to the god and tórnach, the Irish word for thunder.