trove
UK: trəʊv | US: troʊv
n. a valuable collection or store of something (especially of unknown or forgotten items).
The word "trove" originates from the French phrase "trouvé," meaning "found." It entered English in the late 19th century through the term "treasure trove," which legally referred to valuables of unknown ownership discovered hidden or buried. Over time, "trove" alone came to signify any valuable or curated collection, often with a sense of serendipitous discovery. The evolution reflects the romantic idea of uncovering hidden wealth—whether literal or metaphorical.
The library's archives are a trove of rare manuscripts.
Her notebook was a trove of creative ideas.
The attic yielded a trove of vintage clothing.
The internet is a trove of information if used wisely.
Explorers discovered a trove of ancient coins in the ruins.