Meaning

noun the internal and external use of water in the treatment of disease

originEtymology tree Proto-Indo-European *wed- Proto-Indo-European *-r̥ Proto-Indo-European *wódr̥ Proto-Hellenic *údōr Ancient Greek ῡ̆̔́δωρ (hū̆́dōr) Ancient Greek ῠ̔δρο- (hŭdro-)der. English hydro- Ancient Greek πάσχω (páskhō)der. Ancient Greek πᾰ́θος (pắthos) Proto-Indo-European *-yós Proto-Italic *-ios Old Latin -ios Latin -ius Latin -ia Old French -ieder. Middle English -ie Middle English -y…

Etymology from Wiktionary, CC BY-SA 3.0