Old English mistel "basil, mistletoe," from Proto-Germanic *mikhstilaz (cf. Old Saxon mistil, Dutch mistel, Old High German mistil, German Mistel, Swedish mistel), of unknown origin.
Online Etymology Dictionary, © 2010 Douglas Harper
Examples from the Web for missel
Various birds, and particularly the missel thrush, feed upon the berries.The Reason Why
A note is added as to Darwin's statement about the missel and song-thrushes in Scotland.Darwinism (1889)
Alfred Russel Wallace
Missel (probably Frisel or Fraser), in embassy to Norway, 121.Sutherland and Caithness in Saga-Time
If he likes, he may take hold of the feet of a looser and compel him to walk on his hands to secure this missel.The Tinguian
Missel, mis′l, n. the largest of the European thrushes—supposed to be fond of the berries of the mistletoe.