canter
noun /ˈkæntə(r)/
  /ˈkæntər/
[usually singular]Idioms - a movement of a horse at a speed that is fairly fast but not very fast; a ride on a horse moving at this speed
- She set off at a canter.
 
Word Originearly 18th cent. (as a verb): short for Canterbury pace or Canterbury gallop, from the supposed easy pace of medieval pilgrims to Canterbury, a city in Kent, SE England. 
Idioms 
at/in a canter 
- (especially British English) (in sport) without much effort; easily
- Last year the team won at a canter but the competition is tougher this year.