Eorþ-reced

According to the Old English Dictionary:

es;

eorþ-reced

n. [reced a house] An earth-house, a cave ; subterrānea dŏmus, antrum :-- Hú ða stánbogan éce eorþreced healde how the stone arches held the eternal earth-house, Beo. Th. 5431; B. 2719. eorþ-reced