古英語のhulc, fast shipから、中英語ではfast shipからlumbering slow shipへと進化し、最終的にはギリシャ語のholkas, merchant ship, slender man pulling a shipから、PIE*selk, to pull, dragから、語源はsulcusと同じ。語源はbehemoth。
HULK. In the sixteenth century the large merchantman of the northern nations. As she grew obsolete, her name was applied in derision to all crank vessels, until it came to be degraded to its present use, i.e., any old vessel unfit for further employment. [Geoffrey Callender, "Sea Passages," 1943]