There was a talk on Promcon 2016 about this subject [1]. The conclusion was: in English, indeed, Prometheuses. In Ancient Greek: Prometheis. [1]: https://www.y

There was a talk on Promcon 2016 about this subject [1]. The conclusion was: in English, indeed, Prometheuses. In Ancient Greek: Prometheis. [1]: https://www.youtube.com/watch?v=B_CDeYrqxjQ https://www.youtube.com/watch?v=B_CDeYrqxjQ