Where does “hydrometrograph” come from?

hydrometrograph (English) comes from English metro-, from English metropolitan, from Late Latin metropolitanus, from Ancient Greek μητροπολίτης, from Ancient Greek μητρόπολις, from Ancient Greek πόλις, from Proto-Hellenic ptólis, from Proto-Indo-European tpólHis — fortification, city.

hydrometrograph (English): A flowmeter for measuring and sometimes recording the quantity of a liquid discharged from a pipe over time

Definitions

  1. A flowmeter for measuring and sometimes recording the quantity of a liquid discharged from a pipe over time

Ancestry of “hydrometrograph”, step by step

StepLanguageWordMeaning
1Englishmetro-metropolitan: of or relating to the city;...
2EnglishmetropolitanA bishop empowered to oversee other bishops; an...
3Late Latinmetropolitanusmetropolitan
4Ancient Greekμητροπολίτηςmetropolitan
5Ancient Greekμητρόπολιςmother-state; one's mother-city, mother country,...
6Ancient Greekπόλιςcity; a whole country, as dependent on and called...
7Proto-Hellenicptóliscity
8Proto-Indo-EuropeantpólHis
9Proto-Indo-EuropeantpelH-fortification, city
Every word from Proto-Indo-European tpelH-Every word from Proto-Indo-European tpólHisEvery word from Proto-Hellenic ptólis