fathomless
adj.
1630s, literal ("bottomless"); 1640s, figurative ("not to be comprehended"); from fathom + -less.
| 词汇 | fathomless | 
| 词根词缀 | Online Etymology Dictionary fathomless adj. 1630s, literal ("bottomless"); 1640s, figurative ("not to be comprehended"); from fathom + -less. | 
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