Of Bragi — in the Norse telling, the keeper of poetry and eloquence. A named power in this house's pantheon rather than a general concept.
Old Norse Bragi, god of poetry and eloquence; the name is often connected to bragr (a poem, the finest of something) or to bragd (a quick craft), though which reading is prior is not settled — the poetic association itself is secure.
Names one power in this house's own pantheon rather than a general idea — the keeper, specifically, of poetry and eloquence.