gumshoe
n.
"plainclothes detective," 1906, from the rubber-soled shoes they wore (which were so called from 1863); from gum, n.1 + shoe, n..
| 词汇 | gumshoe |
| 词根词缀 | Online Etymology Dictionary gumshoe n. "plainclothes detective," 1906, from the rubber-soled shoes they wore (which were so called from 1863); from gum, n.1 + shoe, n.. |
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