The sacred grove — the clearing set apart, a room made of trees rather than walls. Gaulish and Celtic. What makes it holy is that it is set aside and gathered in. This house's talking grove.
Gaulish nemeton (a sacred space, a shrine), related to a Celtic root for a sacred grove; a clearing set apart and gathered in, holy because it was both.
The sacred grove — the clearing set apart, a room made of trees rather than walls. This house's own talking grove.