Hi thanks for your note Can I just say that we have a policy here of trying to follow whatever is the most commonly form in English For a word and concept that is so clearly non English this may be a difficult criterion to apply but maybe before we make a decision we ought to look around a bit to see if there s any established convention of how to call the thing in English sources For instance there must be sources in English published by international or English speaking institutions about international recognition and equivalence of these degrees so we might look at what they are calling it