Ge-dréme

According to the Old English Dictionary:

-drýme;

ge-dréme

adj. Melodious, harmonious, joyous; cănōrus, consŏnus, lætus :-- Beóþ on heora húsum blíðe gedréme lætābuntur in cubīlĭbus suis, Ps. Th. 149, 5. Hí ealle samod mid gedrémum sange Godes wuldor hleoðrodon they all together celebrated God's glory with melodious song, Homl. Th. i. 38, 7. On gedrémum lofsangum in harmonious hymns, 600, 9. ge-dreme