Where does “Kugelhaufenreaktor” come from?

Kugelhaufenreaktor (German) comes from German kugel, from Proto-Germanic kuggilaz, from Proto-Germanic kuggǭ, from Proto-Indo-European gewgʰ-, from Proto-Indo-European gēw- — to bend, arch.

Kugelhaufenreaktor (German): pebble-bed reactor

Definitions

  1. pebble-bed reactor

Ancestry of “Kugelhaufenreaktor”, step by step

Kugelhaufenreaktor traces back through 3 separate lines of ancestry.

via German kugel

StepLanguageWordMeaning
1Germankugelinflection of kugeln: ## first-person singular...
2Proto-Germanickuggilazknobbed instrument
3Proto-Germanickuggǭcog, swelling
4Proto-Indo-Europeangewgʰ-swelling, bow
5Proto-Indo-Europeangēw-to bend, arch

via German häufen

StepLanguageWordMeaning
1Germanhäufento heap (up), to pile up
2Middle High Germanhūfe
3Proto-West Germanichūbāhood, cowl
4Proto-Germanichūbǭa covering for the head; hood; cowl
5Proto-Indo-Europeankēwp-

via German Reaktor

StepLanguageWordMeaning
1GermanReaktorreactor
Every word from Proto-Indo-European gēw-Every word from Proto-Indo-European gewgʰ-Every word from Proto-Germanic kuggǭ