English
hydroureter
From hydro- + ureter.
Proto-Indo-European *wed- ‘water’
Proto-Indo-European *wódr̥ ‘water’
Proto-Hellenic *údōr ‘water’
Ancient Greek ῡ̆̔́δωρ ‘water’
English hydro-
Proto-Indo-European *h₁wers- ‘to rain’
Proto-Indo-European *h₁wors-éye-ti ‘to make it rain’
Proto-Hellenic *eworhéyō
Ancient Greek οὐρέω ‘to make water’
Ancient Greek οὐρητήρ ‘= οὐρήθρα’
English ureter
Today it means
noun distension of the ureter with urine, due to an obstruction
Language periods are conventional ranges, not dates for this word.
Etymograph / hydroureter