It’s, yes. Back when they thought the sky had to be solid because something was holding it up.
Early Christian’s, for example believed that the water for Noah’s flood came from the firmament melting (since that bit in genesis describing the sky as “the waters” etc.)(it was written by Bronze Age peeps. Not exactly at the height off science.)
I thought it was some ancient nonsense about it being the veil that all the stars were attached to. Regardless it’s a pretty archaic word.
It’s, yes. Back when they thought the sky had to be solid because something was holding it up.
Early Christian’s, for example believed that the water for Noah’s flood came from the firmament melting (since that bit in genesis describing the sky as “the waters” etc.)(it was written by Bronze Age peeps. Not exactly at the height off science.)