Words and Proper Names

airtach

10520.
Bisagni (Jacopo): A note on the end of the world: Tírechán’s dies erdathe.
In ZCP 58 (2011), pp. 9–18.
ad §12 (as ed. by L. Bieler 1979 [The Patrician texts in the Book of Armagh]); erdathe is interpreted as the gen. sg. of erdath, derived from PC *-dātū, containing the PIE root *dhu̯eh2- ‘to make smoke’.