Reng-wyrm

According to the Old English Dictionary:

es;

reng-wyrm

m. A maw-worm, a worm in the intestines :-- Wið ðæt rængcwyrmas (rengc-, MS. B. ; rýnwyrmas with a gloss lumbrici, MS. H.) dergen ymb nafolan, Lchdm. i. 168, 9. Wið ðæt reng-wyrmas ymb ðone nafolan wexen, 218, 14. [Cf. O. H. Ger. pouh-wurm lumbricus.] reng-wyrm