Chapter Dalkey to Danaw of D by Brewer's Phrase & Fable

Danaos According to the Roman de Rose, Denmark means the country of Danaos, who settled here with a colony after the siege of Troy, as Brutus is said by the same sort of name-legend to have settled in Britain. Saxo-Germanicus, with equal absurdity, makes Dan, the son of Humble, the first king, to account for the name of the country.

Danaw The Danube (German).

"To pass
Rhone or the Danaw."
Milton: Paradise Lost, book i. 353.