rombowline
/rɒmˈbəʊlɪn/(also rumbowline) Nautical. Now chiefly in historical contexts
noun
Rope or canvas which has become rotten; weak rope made from this. Also in extended use: anything worthless or inferior; rubbish, trash (formerly occasionally specifically weak grog).
Origin
Mid 16th century; earliest use found in Southampton Probate Inventories. Origin unknown. Perhaps compare Middle Low German rumplinc kind of animal skins.