Where does “hydropillar” come from?

hydropillar (English) comes from English pillar, from Old French pilier, from Vulgar Latin pilare, from Latin pila, from Latin pīlus, from Latin pīlum, from Proto-Italic pistlom, from Proto-Indo-European pis-tlo- — to grind, to crush.

hydropillar (English): A water tower taking the form of a single high...

Definitions

  1. A water tower taking the form of a single high...

Ancestry of “hydropillar”, step by step

hydropillar traces back through two separate lines of ancestry.

via English pillar

StepLanguageWordMeaning
1EnglishpillarA large post, often used as supporting...
2Old Frenchpilier
3Vulgar Latinpilarea pillar
4Latinpilamortar; pillar; pier
5Latinpīlusa hair
6Latinpīluma pounder, pestle
7Proto-Italicpistlom
8Proto-Indo-Europeanpis-tlo-
9Proto-Indo-Europeanpeys-to grind, to crush

via English hydro

StepLanguageWordMeaning
1Englishhydrohydroelectric; hydroponic; hydroelectric power
2Ancient Greekὕδωρwater; rainwater, rain; sweat
3Proto-Hellenic*údōrwater
Every word from Proto-Indo-European peys-Every word from Proto-Indo-European pis-tlo-Every word from Proto-Italic pistlom