E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Fabilas sad Fate.
The king Don Fabila was a man of very obstinate purpose and fond of the chase. One day he encountered a boar, and commanded those who rode with him to remain quiet and not interfere; but the boar overthrew him and killed him. (Chronica Antiqua de España, p. 121.)