Note 80 — THE BOOK OF THE DEAN OF LISMORE.

“Geasan,” “bonds.” The word here appears to mean a simple pledge, although in most cases it implies the exercise of some magical power. In those cases of metamorphosis so common in Celtic tales, the persons who have been made to undergo the change are said to be “fo gheasaibh,” “under spells.” The mythology of the Celts has much in common with that of Eastern nations.