Where does “radiotachimetro” come from?

radiotachimetro (Italian) comes from Italian tachimetro, from Italian metro, from French métro, from French métropolitain, from Latin mētropolītānus, from Ancient Greek μητροπολίτης, from Ancient Greek μητρόπολις, from Ancient Greek πόλις — fortification, city.

radiotachimetro (Italian): an instrument that measures speed via the Doppler shift of radio waves

Definitions

  1. an instrument that measures speed via the Doppler shift of radio waves

Ancestry of “radiotachimetro”, step by step

StepLanguageWordMeaning
1Italiantachimetrospeedometer; tachometer; tattler
2Italianmetrometre, meter; ruler, ruler, measure; yardstick,...
3Frenchmétrometro; subway US, underground UK, Tube UK
4Frenchmétropolitainmetropolitan; subway, underground; Person from...
5Latinmētropolītānusmetropolitan
6Ancient Greekμητροπολίτηςmetropolitan
7Ancient Greekμητρόπολιςmother-state; one's mother-city, mother country,...
8Ancient Greekπόλιςcity; a whole country, as dependent on and called...
9Proto-Hellenicptóliscity
10Proto-Indo-EuropeantpólHis
11Proto-Indo-EuropeantpelH-fortification, city
Every word from Proto-Indo-European tpelH-Every word from Proto-Indo-European tpólHisEvery word from Proto-Hellenic ptólis