equestrianism

noun

horse riding

Wiktionary

noun

Etymology: Etymology tree English equestrian Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō) Proto-Indo-European *-mos Proto-Indo-European *-mós Ancient Greek -μός (-mós) Ancient Greek -ισμός (-ismós)der. English -ism English equestrianism From equestrian + -ism.

The art or sport of horseriding; the skill required for it.