Isle

A Concise Dictionary of Middle English from A.D. 1150 to 1580 · 1889 · p. 12

sb. glowing ashes, favilla , HD; isyl , Prompt.; iselle , Cath.; easle , HD; ysels , pl. , HD; useles , Trevis a, 4. 431; usellez , S2; iselen , dat. , SD, Cath. ( n ).—Icel. usli ; cp. MHG. üsele (G. ü el ). The same stem us- is found in Lat. us-ere ( urere ), to burn.