Hydropower
/ˈhaɪ.droʊˌpaʊ.ɚ/noun
Power generated from the energy of moving or falling water.
Did you know?Its first element comes from Greek hydōr, the same ancient root that gave us words like hydrate and hydrogen, both built on the idea of water as a fundamental substance.
Etymological Timeline
Proto-Indo-European
PIE
*wódr̥
“water”
Ancient Greek
Greek
hydōr (ὕδωρ)
“water”
Modern Scientific Greek
Greek
hydro-
“water, liquid”
19th Century
English
hydropower
“power derived from water”
Modern English
English
hydropower
“energy generated from moving or falling water”