What does Roderigh Vich Alpine Dhu ho i-e-roe mean?

"Roderigh Vich Alpine Dhu ho i-e-roe" is a line from the Scottish folk song "The Braes o' Killiecrankie." It refers to the Scottish Jacobite soldier Roderick Dhu who fought at the Battle of Killiecrankie in 1689. The phrase is used to evoke a sense of Scottish history and pride.