misopedia
/ˌmɪsəˈpiːdiə/Definitions
1. noun
A collection of information about or relating to obscure or unknown topics, often considered trivial or obscure.
“The misopedia on the internet provided a wealth of information about obscure historical events.”
2. noun
A reference work or collection of information about obscure or little-known topics.
“The misopedia on the shelf was a treasure trove of obscure knowledge.”