The story
- Ancient Greek · derived fromὕδωρ“water”
- English todayhydro
From the prefix hydro-, from Ancient Greek ὕδωρ (húdōr, “water”). By surface analysis, hydr- (“water”) + -o-. The Canadian "electricity" sense is owing to hydroelectricity being the prevalent source of electricity in much of Canada and many electric companies having the word Hydro in their names.
Words from the same roots
Ancient Greekὕδωρ all →
hydratehydrangeaanhydroushydropsaerohydroushydatoidhydatophytehydatoscopyhydrohetaerolitehydromelhydrophyllium
Etymology from Wiktionary, CC BY-SA 4.0.