escalator
n.
1900, American English, trade name of an Otis Elevator Co. moving staircase, coined from escalade + -ator in elevator. Figurative use is from 1927.
| 词汇 | escalator |
| 词根词缀 | Online Etymology Dictionary escalator n. 1900, American English, trade name of an Otis Elevator Co. moving staircase, coined from escalade + -ator in elevator. Figurative use is from 1927. |
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