Etymology:
The word "escalator" is derived from the Latin word "scala," meaning "staircase" or "ladder," and the suffix "-ator," which denotes an agent or device.
Meaning:
An escalator is a moving conveyor belt with stairs that transports people between different levels of a building, typically in a shopping mall, airport, or public transportation station.
Origin:
The concept of an escalator was first proposed by the American inventor Jesse W. Reno in 1891. However, the first operational escalator was not built until 1896 by the Otis Elevator Company in New York City. It was initially known as the "inclined elevator" but was later renamed the "escalator" to emphasize its continuous and automatic movement.
Over the years, escalators have undergone significant improvements and technological advancements. The modern escalator is a highly efficient and safe mode of transport that has become an indispensable part of urban infrastructure worldwide.
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