Other Word Forms of Escalator
Origin of Escalator
From Escalator created by American inventor Charles Seeberger in 1900, from Latin e (“from", "out of”) + scala (“ladder”) + -or, which forms nouns of agency. Formerly a trademark. See: the appendix. Broader usage may be influenced by escalate. For an alternative etymology, see Online Etymology Dictionary.
Originally a trademark
From American Heritage Dictionary of the English Language, 5th Edition
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