systematology

The story

1. Ancient Greek · derived fromσύστημα“organised whole, body”
2. Late Latin · derived fromsystemat-
3. German · derived fromSystematologie
4. English todaysystematology

From German Systematologie, from Late Latin systemat-, stem of systēma, from Ancient Greek σύστημα (sústēma, “organised whole, body”); with suffix -logie (“study of”).