eekhoorn m (plural eekhoorns, diminutive eekhoorntje n)
From Middle Dutch ecorn, from Old Dutch *ēkhorno, from Proto-Germanic *aikwernô, ultimately from Proto-Indo-European *wer-. Compare German Eichhorn, West Frisian iikhoarn, Middle English aquerne, Danish egern, Norwegian ekorn, Swedish ekorre, Icelandic íkorni.