An Etymological Dictionary of the German Language/Elf

by Friedrich Kluge

Elf, m., simply ModHG. borrowed in the last century from the equiv. E. elf (comp. Halle, Heim); also ModHG. Elfe, f.; for further references see Alp. The MidHG. ęlbe, ęlbinne, f., shows that a corresponding ModHG. would have b in place of f.