An Etymological Dictionary of the German Language/Ermel
Appearance
Ermel, m., ‘sleeve,’ from the equiv. MidHG. ęrmel. OHG. ęrmilo, armilo, m.; diminutive of Arm. Comp. the diminutive form of Faust, MidHG. viustelinc, ‘mitten,’ also MidHG. vingerlîn, ‘ring (worn on the finger),’ dimin. of Finger, E. thimble, dimin. of thumb.