Where does “энергосбережение” come from?

энергосбережение (Russian) comes from Russian сбереже́ние, from Russian сберечь, from Russian с-, from Proto-Slavic sъ(n), from Proto-Indo-European ḱóm, from Proto-Indo-European ḱe, from Middle English kyt, from German kitt — to bend; curve; arch; vault; to bow, bend, arch,...

энергосбережение (Russian): power saving, energy saving, economical power...

Definitions

  1. power saving, energy saving, economical power...

Ancestry of “энергосбережение”, step by step

энергосбережение traces back through two separate lines of ancestry.

via Russian сбереже́ние

StepLanguageWordMeaning
1Russianсбереже́ниеsavings
2Russianсберечьto save, to preserve; to spare
3Russianс-down; off, from off
4Proto-Slavicsъ(n)with, accompanying, alongside; with, by means of,...
5Proto-Indo-Europeanḱómbeside, near, by, with
6Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
7Middle Englishkyt
8Germankittputty certain kinds of cement used for fixing e.g. window panes
9Old High Germankuti
10Proto-West Germanickwidugum, resin
11Proto-Germanickweduzresin
12Proto-Indo-Europeangʷet-resin, gum; to say, speak
13Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

via Russian эне́ргия

StepLanguageWordMeaning
1Russianэне́ргия
2GermanEnergieenergy
3Ancient Greekἐνέργειᾰactivity, operation, vigour, efficiency
Every word from Proto-Indo-European gū-Every word from Proto-Indo-European gʷet-Every word from Proto-Germanic kweduz