His spere he nom an honde tha Ron wes ihaten.
Layamon.
Brut
, (twelfth century).
Arthur's Sword, Escal'ibur or Excal'ibur. Geoffrey calls it Caliburn, and says it was made in the isle of Avallon.—British History, ix. 4 (1142).
The temper of his sword, the tried Escalabour,
The bigness and the length of Rone, his noble
spear,
With Pridwin, his great shield.
Drayton, Polyolbion, iv. (1612).