fem. proper name, from Latin Hortensia, fem. of Hortensius, a Roman gens name, related to hortus "garden" (from PIE root *gher- (1) "to grasp, enclose").
horst
Horst Wessel
horsy
hortative
hortatory
Hortense
horticultural
horticulture
horticulturist
Horus
hosanna