pedal

vi. 踩踏板；骑车

n. 踏板；脚蹬子

vt. 骑（自行车）；踩……的踏板

adj. 脚的；脚踏的

中文词源

pedal 自行车踏板

来自PIE*ped,脚，词源同foot,biped.引申词义自行车踏板。

pedal: pedal: [17] Pedal is one of a group of English words which go back to Latin pēs ‘foot’ or its Romance descendants (to which English foot is related). Others include impede [17], pedestal [16] (which comes via French from Old Italian piedestallo, a conflation of pie di stallo ‘foot of a stall’), pedestrian [18], pedicure [19], pedigree, and pedometer [18].
=> foot, impede, pawn, pedestal, pedestrian, pedigree
pedal (n.): 1610s, "lever (on an organ) worked by foot," from French pédale "feet, trick with the feet," from Italian pedale "treadle, pedal," from Late Latin pedale "(thing) of the foot," neuter of Latin pedalis "of the foot," from pes (genitive pedis) "foot," from PIE root *ped- (1) "a foot" (see foot (n.)).

Extended to various mechanical contrivances by 1789. Pedal steel guitar is from 1969. Pedal-pushers "type of women's trousers suitable for bicycling" is from 1944.
When college girls took to riding bicycles in slacks, they first rolled up one trouser leg, then rolled up both. This whimsy has now produced a trim variety of long shorts, called "pedal pushers." ["Life," Aug. 28, 1944]
pedal (v.): 1866 of musical organs, 1888 of bicycles, from pedal (n.). Related: Pedaled; pedaling.

1. The harder the brake pedal is pressed, the greater the car's deceleration.: 刹车踩得越用力，车子减速越猛。

3. He refused to soft-pedal an investigation into the scandal.: 他拒绝降低对这起丑闻的调查力度。

5. The protests have forced the government to back-pedal on the new tax.: 抗议活动已迫使政府撤销新的税目。