Man is a reference to the Isle of Man, which is an island in the straits between Wales and Ireland that has had an active parliament for over a thousand years. I think that the island has been likened to the fabled island of Avalon, which is why the Devs chose it.
This is a combination of "Aroma", which is a coffe-restaurant thingey over here, "Kos Kafe" which is "cup of coffee" in Hebrew, and "ale" mixed into the "e" of "kafe", because Arcoscephale is full of sandwich eating coffee drinking drunkards?
BTW, I pronounce R'lyeh as "R'lyeh"
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