bibliothecaris
Bibliothecaris is a term of Latin origin that appears in various scholarly and fictional contexts. The form derives from bibliotheca, library, combined with the agent suffix -arius, and is best understood as meaning “of the librarian” or “librarian’s.” In classical and medieval Latin, bibliothecarius is the standard noun for a librarian, while bibliothecaris may occur as a Latinized adjective or epithet in later usages.
In taxonomy and biology, bibliothecaris has been used informally or proposed as a genus name or species
Beyond biology, bibliothecaris has appeared in fictional or speculative writing as a coined name for characters,
See also: Bibliotheca; Librarian; Latin in biological nomenclature; Taxonomic nomenclature. If you had a specific field