hydrotherapy

noun

Etymology: Etymology 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- Proto-Indo-European *treb-der.? Ancient Greek θερᾰ́πων (therắpōn) Ancient Greek -εύς (-eús) Ancient Greek -εύω (-eúō) Ancient Greek θεραπεύω (therapeúō) Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-i-eh₂ Proto-Hellenic *-íā Ancient Greek -ία (-ía) Ancient Greek θεραπεία (therapeía)bor. New Latin therapīabor. English therapy English hydrotherapy From hydro- + therapy.

1. Any of various techniques that use water, either externally or internally, for the treatment of disease and for the soothing of pain.

   “Radio-active baths are said to act favourably in a sexual direction. So too with arsenical springs, cold water treatment, and hydrotherapy.”

   “At the bedside, healers practiced a variety of Western fads such as hydrotherapy, which utilized harmless but ineffectual water cures for many ailments [...]”