[parenthesis]

There are these books:

https://www.amazon.co.uk/Greek-Philosophical-Terms-Historica...

https://www.amazon.co.uk/Greek-Philosophical-Vocabulary-J-Ur...

I have the second one, which I found useful when studying ancient Greek philosophy in English translation.

[Xen9]

I will have to make an analysis of regular expressions of heuristically most useful & heuristically highest quality academic source materials.