English
horseriding
From horse + riding.
Proto-Germanic *hrussą ‘horse’
Proto-West Germanic *hross ‘horse’
Old English hors ‘horse’
Middle English hors ‘a horse’
English horse
Proto-Indo-European *h₃réydʰh₁eti ‘to set in motion, ride’
…
Proto-West Germanic *rīdan ‘to ride’
Old English rīdan ‘to ride’
Middle English riden ‘to ride on a mount’
Middle English rydyng ‘riding’
English riding
Today it means
noun The practice of riding horses for sport or pleasure; equestrianism
Language periods are conventional ranges, not dates for this word.
Etymograph / horseriding