Proto-Germanic: *īk-wirna-z, -ēn, -wurnēn (secondarily *aik-wirnan-)
Meaning: quirrel
Old Norse: īk-orni m. `Eichhorn'
Norwegian: ik-orn(a), dial. eik-onn
Old Swedish: ēk-orne
Swedish: ek-orre
Danish: eg-ern
Old English: āc-worna (ācweorna, ācurna) m., āc-wern, -es n. `squirrel'
Old Saxon: ēkhorn
Middle Dutch: eencoren, eecoren
Dutch: eekhor(e)n m.
Middle Low German: ēkeren, ēkhorn
Old High German: eihhurno, eihhorno (11.Jh., также eihhurn, eihhorn) m.
Middle High German: eichorn st. m., eichurne wk. m. 'eichhorn'
German: Eichhorn
Comments: Contaminations with 'oak', 'horn'.
