Ís-earn
Bosworth & Toller Anglo-Saxon Old English Dictionary - ís-earn
According to the Old English Dictionary:
es;
- ís-earn
- m. A kingfisher :-- Ísern (-ern, -aern) alcion, alchior, Txts. 39, 115. Ísen alcion, Wrt. Voc. ii. 6, 44: alchior, 7, ll. [Cf. Ger. eis-vogel a kingfisher.] is-earn