Seesaw a "teeter-totter". According to linguist Peter Trudgill, the term originates from the Nordic language word "tittermatorter". A "teeter-totter" may also refer to a two-person swing on a swing seat, on which two children sit facing each other and the teeter-totter swings back and forth in a pendulum motion. Both "teeter-totter" (from "teeter", as in "to teeter on the edge") and "seesaw" (from the verb "saw") demonstrate the linguistic process called reduplication, where a word or syllable is doubled, often with a different vowel. Reduplication is typical of words that indicate repeated activity, such as riding up and down on a
Playground the first playgrounds in the United States was built in San Francisco's Golden Gate Park in 1887. In 1906 the Playground Association of America was founded and a year later Luther Gulick became president. It later became the National Recreation Association and then the National Recreation and Park Association. Urging the need for playgrounds, former President Theodore Roosevelt stated in 1907: In post war London the landscape architect and children's rights campaigner Lady Allen of Hurtwood introduced and popularised the concept of the ’junk playground’ - where the equipment was constructed from the recycled junk and rubble left over from