gliw-bēam

gliw-bēam, m.n: musical instrument (‘glee-wood’), possibly a harp, drum, timbrel, or tambourine. (GLEE-ew-BAY-ahm / ˈgliːw-ˌbeːam)

The Maastricht Hours. Netherlands (Liège), 1st quarter of the 14th century. British Library, Stowe MS 17, fol. 129r. [bl.uk]