argosy
1. A large ship, or a fleet of ships, especially one carrying valuable cargo.
2. A rich source or supply.
William Shakespeare; The Merchant of Venice; 1596.
“We get a little bit detective story, a little bit gossip, and an argosy of insight.”
Amy Wallen; Book Review: ‘Nom de Plume’; Los Angeles Times; Aug 8, 2011.