The story
- Proto-Indo-European*wed-
- Proto-Indo-European*wódr̥
- Proto-Hellenic*údōr
- Ancient Greekῡ̆̔́δωρ (hū̆́dōr)
- Ancient Greekῠ̔δρο- (hŭdro-)
- Englishhydro-
- Proto-Indo-European*steh₂-
- Proto-Indo-European*stísteh₂ti
- Proto-Hellenic*hístāmi
- Ancient Greekἵστημι (hístēmi)
- Ancient Greekστᾰτῐκός (stătĭkós)
- Latinstaticus
- Englishstatic
- Englishhydrostatic
- Proto-Indo-European*lewg-
- Proto-Germanic*luką
- Proto-West Germanic*lok
- Old Englishloc
- Middle Englishlok
- Englishlock
- English todayhydrolock
Blend of hydrostatic + lock.
Etymology from Wiktionary, CC BY-SA 4.0.