gruacach, grógach
[Old Irish grúacach, hairy, long-haired; goblin, wight, enchanter; wizard-like]

Solitary fairy of Irish and Scottish Gaelic traditions, sometimes seen as a giant or ogre. His characteristic long hair links the gruagach to the woodwose or wild man of the woods. In Scotland the term gruagach may sometimes also refer to a fairy woman dressed in green or to a slender, handsome man.