Accompanied or protected by a convoy, especially referring to a ship or vehicle that travels with an armed escort for safety.
From convoy (from Old French convoier, con- = with + voie = way, road) plus the past participle suffix -ed, originally describing merchants traveling together for protection.
During World War II, 'convoyed' ships traveled together in groups because there's safety in numbers—a tradition that goes back to medieval merchants who also traveled in convoys to avoid bandits!
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