Etymology
Tethra may be derived from the Proto-Indo-European ''*tet(e)ro-'' meaning 'quacking sound'. Tethra means both sea and scald-crow Badb or Roynston's crow in Old Irish.Popular culture
"Tethra" is the name of an armor set for the Highlander in '' For Honor''.Music
" Tethra" is the name of an Italian Melancholic Doom Death Metal band started in 2008, which is still active. Ogives Big Band released a song called 'Tethra' on their EP 'HARM' in October 2019 with an accompanying music video.References