plimsoll
noun(also pump)
(also old-fashioned gym shoe)
(all British English)a light simple sports shoe made of canvas (= strong cotton cloth) with a rubber sole 橡胶底帆布鞋；体操鞋 a pair of plimsolls 一双体操鞋
Word Originlate 19th cent.: probably from the resemblance of the side of the sole to a Plimsoll line.