compendium
Compendium (noun) means a collection of detailed information on a subject, gathered into a single book or document, especially one arranged for easy reference. Example: “The volume is a compendium of every British bird recorded since 1800.”
How to use compendium
Learner’s notesIn plain EnglishOne book that gathers together everything known about a subject.
Slightly formal; common in titles of reference works.
A compendium is always of something — the phrase almost never stands alone.
Trace the full origin ↓Fill the gap
Can you complete this real example?
The volume is a _____ of every British bird recorded since 1800.
Etymology
From Latin compendium "a saving, a shortening", from compendere "to weigh together".