Away the witches were sent, with instructions to meet at the pit of Acheron in the morning.
Acheron was a stream of Epirus, and Pandosia was a town upon the banks of it.
After this, the Barons pursue their way to Acheron, and call upon Charon to ferry them across.
I invoke no Acheron to overwhelm him in the whirlpools of his muddy gulf.
He plots the return of Acheron, with its towers and wizards and kings and horrors, as it was in the long ago.
But it was stolen from me, and Acheron fell, and I fled in exile into dark Stygia.
Acheron, at first the name of a river of the lower world, came to be used as a name for the whole of the lower world generally.
Here was its home in the centuries before it journeyed to Acheron.
I have seen what he plots—and I tell you it is no less than the restoration of the ancient, black, grisly kingdom of Acheron!'
Amalric stared at the man from Acheron with mingled fear and admiration.
1580s, fabled river of the Lower World in Greek mythology. The name perhaps means "marsh-like" (cf. Greek akherousai "marshlike water"); the derivation from Greek akhos "woe" is considered folk etymology.