| 单词 | fathom | 
| 释义 | Word Frequency fathom(ˈfæðəm) noun 1.  a unit of length equal to six feet (1.829 metres), used to measure depths of water 2.  mining a unit of volume usually equal to six cubic feet, used in measuring ore bodies 3.  forestry a unit of volume equal to six cubic feet, used for measuring timber  verb (transitive) 4.  to measure the depth of, esp with a sounding line; sound  5.  to penetrate (a mystery, problem, etc); discover the meaning of Derived formsfathomable (ˈfathomable) adjective fathomer (ˈfathomer)  noun Word originOld English fæthm; related to Old Frisian fethem outstretched arms, Old Norse fathmr embrace, Old High German fadum cubit, Latin patēre to gape | 
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