Borrowed from Middle French reliquaire (modern French reliquaire), from Late Latin reliquiarium, from rēliquia (“a relic”) (English relic), noun use of reliquus (“abandoned, left behind, relict”), from relinquō (“I relinquish”), from re- (“again”) and linquō (“I leave”), from Proto-Indo-European *leikʷ-.
reliquary (plural reliquaries)
- A container to hold or display religious relics.
- (figuratively) An object that sustains the memory of past people or events.
- (law) A person who owes a balance.