Definition of "eugh"

you must take such Things, as are Greene all Winter; Holly; Ivy; Bayes; Juniper; Cipresse Trees; Eugh; […]

1625, Francis [Bacon], “Of Gardens”, in The Essayes […], 3rd edition, London: […] Iohn Haviland for Hanna Barret

almost join'd the Horns of the tough Eugh

1697, Virgil, “The Ninth Book of the Æneis”, in John Dryden, transl., The Works of Virgil: Containing His Pastorals, Georgics, and Æneis. […], London: […] Jacob Tonson, […]

"Eugh," he said, "this cake is dry."

2006, Morag Prunty, Recipes for a Perfect Marriage, page 272