Regn-wyrm

According to the Old English Dictionary:

es;

regn-wyrm

m. An earth-worm :-- Regnwyrm lumbricus, Wrt. Voc. ii. 113, 26 : 71, 13. Rénwyrm, 51, 23. Rénwyrm vel angeltwicce, i. 24, 31. [O. H. Ger. regan-wurnt lumbricus : Ger. regen-wurm. regn-wyrm