There are these books: https://www.amazon.co.uk/Greek-Philosophical-Terms-Historical-Lexicon/dp/0814765521 https://www.amazon.co.uk/Greek-Philosophical-Terms-H

There are these books: https://www.amazon.co.uk/Greek-Philosophical-Terms-Historical-Lexicon/dp/0814765521 https://www.amazon.co.uk/Greek-Philosophical-Terms-Historica... https://www.amazon.co.uk/Greek-Philosophical-Vocabulary-J-Urmson/dp/0715623354 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.