Meaning

noun sports equipment that is worn on the feet to enable the wearer to glide along and to be propelled by the alternate actions of the legs

noun large edible rays having a long snout and thick tail with pectoral fins continuous with the head; swim by undulating the edges of the pectoral fins

verb move along on skates

originBack-formation from Dutch schaats, from Middle Dutch schāetse, from Old Northern French escache (“a stilt, trestle”) (compare French échasse and English scatch), from a Germanic language, perhaps Frankish *skakkjā (“stilt”, literally “thing that moves”), related to *skakan (“to shake, swing”).

Etymology from Wiktionary, CC BY-SA 3.0