Jeux d'eau (French: [ʒo d‿o]; French for 'water games'; Italian: giochi d'acqua), is an umbrella term in the history of gardens for the water features that were introduced into mid-16th century Mannerist Italian gardens.
https://en.wikipedia.org/wiki/Jeux_d%27eau

噴水に限らず、水を使った庭園の見せ物のことのようよ
だから、むしろエステ荘の方が意訳だわね