Kays 230:6 :ܥܘ݂ܬܪܐ ܣ݁ܓܝ݂ܐܐ ܕܡ݂ܢ ܢܘ݂ܓܪܐ ܐܣ݂ܬ݁ܦܩ ܡ݂ܢ ܐ̈ܠ݂ܦܐ ܕܐܬ݂ܛܒ̈ܥܝ ܬܡ݁ܢ‏ : great wealth that was provided by ships that had sunk there
See the entire entry for ṭbˁ vb. to seal; to sink