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English word sidewalk comes from English side, English walk
side (English)
(UK, _, dialectal) Widely; wide; far. (Scotland) Far; distant.. (UK, _, archaic, dialectal, Northern England, Scotland) Wide; large; long, pendulous, hanging low, trailing; far-reaching.. Being on the left or right, or toward the left or right; lateral.. Indirect; oblique; incidental. (British, Australia, Ireland, dated) A television channel, usually as opposed to the one currently being [...]
walk (English)
(intransitive) To move on the feet by alternately setting each foot (or pair or group of feet, in the case of animals with four or more feet) forward, with at least one foot on the ground at all times. Compare run.. (intransitive, colloquial) To leave, resign.. (intransitive, colloquial, euphemistic) Of an object, to go missing or be stolen.. (intransitive, colloquial, legal) To "walk free", [...]
sidewalk (English)
(US) a footpath, usually paved, at the side of a road for the use of pedestrians; a pavement (UK) or footpath (Australia, New Zealand). (US, by extension) any paved footpath, even if not located at the side of a road.