From Wiktionary, the free dictionary
From Trégarantec (pleasant dwelling place) [1]
Tréhorenteuc ?
- a community in the Department of Morbihan in the region of Brittany, France
- ^ Jacky Ealet (2008) Tréhorenteuc en Brocéliande (in French), Les Oiseaux de Papier, →ISBN, page 33