Ychen Bannog, Bannawc, 131, 142, [561], [579], [580].

year, the Celtic, 317.

—, the Norse, 321.

yellow hair and blue eyes, 148.

Yeuwains, [488]: see Yvain.

ym, [523].

Ymhacsen, [564].

Ynys y Ceûri, Ceiri, 280, 283.

— Enỻi, [413], [440].

— Geinon, 254, 255, [674].