Ester

A Concise Dictionary of Middle English from A.D. 1150 to 1580 · 1889 · p. 8

sb. Easter, S, S2; estren , dat. , S. Comb. : estrene dae , Easter-day, S.—AS. éastro , sb. pl. the pa over, easter-tide, eastrena (gen. pl.), from Eastre , the AS. form of the name of a German godde of light and spring sunshine; see Grimm, Teut. M., p. 289.