There are some threads about creating one from dict.cc for Pocketbook. Just google it. If something prmeade is needed, the database from dict.cc from 2011 is available as Pocketbook dictionary to download:
https://www.dict.cc/?s=about:wordlist
Download - 8. Wörterbuchdatei für den E-Book-Reader Pocketbook
Sorry, stupid me: the link is for EN-DE. DE-EN is not for download and has to be created by tools available somewhere here.
Edit:
Not what you asked but maybe helpful (wiktionary DE-DE for Pocketbook):
https://www.mobileread.com/forums/sh...1&postcount=20