υδατόσφαιρα
From LSJ
ἀσκεῖν περὶ τὰ νοσήματα δύο, ὠφελεῖν ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm
Greek Monolingual
η, και υδατόσφαιρο, το, Ν
(αθλ.) υδατοσφαίριση.
[ΕΤΥΜΟΛ. < ύδωρ, ύδατος + σφαίρα].