vocab via Beowulf, Heaney

tumulous, adj.
Having many mounds or small hills.

lambent, adj.
1. Flickering lightly over or on a surface: lambent moonlight.
2. Effortlessly light or brilliant: lambent wit.
3. Having a gentle glow; luminous. 

chthonic, adj.
Concerning, belonging to, or inhabiting the underworld.

oneiric, adj.
Of or relating to dreams or dreaming.