E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
A Paladin, the beauideal of valour, generosity, and truth. The story says he was sent by Charlemagne into the East, where he conquered Aliard, a great Moorish prince. On his return he found his young wife, who thought he was dead, betrothed to Celinos, another of Charlemagnes peers. The matter being set right, the king gave a grand banquet. Dirlos is DYrlos.