Grund-wæg

According to the Old English Dictionary:

es;

grund-wæg

m. A foundation, the earth :-- He on grundwæge men of deáþe worde awehte he [Christ] on this earth raised men from death by his word, Andr. Kmbl. 1163; An. 582. [Cf. Goth. grunduwaddjus foundation.] grund-wæg