nymphaeum
nounEtymology Learned borrowing from Latin nymphaeum, from Ancient Greek νυμφαῖον (numphaîon), a substantivisation of νυμφαῖος (numphaîos, “sacred to the nymphs”), from νύμφη (númphē, “nymph”).
1
A shrine consecrated to water nymphs, often with a fountain.
Ancient Greece and Rome