dashpot

From dash +‎ pot.

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dashpot

Wikipedia

dashpot (plural dashpots)

A mechanical damping device consisting of a piston that moves through a viscous fluid (usually oil); used, in conjunction with a spring, in shock absorbers.

damping device

Chinese:
Mandarin: 緩衝器 / 缓冲器 (zh) (huǎnchōngqì), 減震器 / 减震器 (zh) (jiǎnzhènqì), 阻尼器 (zh) (zǔníqì)
Finnish: vaimennussylinteri
French: piston (fr) m (d'amortisseur)
Russian: возду́шный бу́фер m (vozdúšnyj búfer) (with air), ма́сляный бу́фер m (másljanyj búfer) (with oil), амортиза́тор (ru) m (amortizátor)
Spanish: please add this translation if you can