Where does “Energiespeicher” come from?

Energiespeicher (German) comes from German Speicher, from Middle High German spīcher, from Old High German spīhhāri, from Proto-West Germanic spīkārī, from Latin spicarium, from Latin -ārium, from Latin -um, from Proto-Italic *-om.

Energiespeicher (German): energy store or storage

Definitions

  1. energy store or storage

Ancestry of “Energiespeicher”, step by step

Energiespeicher traces back through two separate lines of ancestry.

via German Speicher

StepLanguageWordMeaning
1GermanSpeichergranary; storage room in the attic; memory
2Middle High Germanspīcher
3Old High Germanspīhhāri
4Proto-West Germanicspīkārīgranary
5Latinspicariumgranary
6Latin-āriumused primarily to form nouns of purpose from other nouns, such as places where things are kept or objects used for a particular end
7Latin-umnominative neuter singular of -us; accusative...
8Proto-Italic*-om
9Proto-Indo-European*-oHom

via German Energie

StepLanguageWordMeaning
1GermanEnergieenergy
2Ancient Greekἐνέργειᾰactivity, operation, vigour, efficiency
Every word from Proto-Indo-European *-oHomEvery word from Latin -āriumEvery word from Latin -um