bottomryyoudaoicibaDictYouDict[bottomry 词源字典]
"A system of merchant insurance in which a ship is used as security against a loan to finance a voyage, the lender losing their money if the ship sinks", Late 16th century: from bottom (in the sense 'ship') + -ry, influenced by Dutch bodemerij.[bottomry etymology, bottomry origin, 英语词源]