Where does “Jungneolithikum” come from?

Jungneolithikum (German) comes from German jung, from German Junge, from Middle High German jung, from Old High German jung, from Proto-West Germanic jung, from Proto-Germanic jungaz, from Proto-Germanic juwungaz, from Proto-Indo-European yuwn̥kós — vital force, life, age, eternity; day, morning.

Jungneolithikum (German): in Central Europe, the part of the Neolithic period between 4400 BCE and 3500 BCE; following on from the Mittelneolithikum and preceding the Spätneolithikum

Definitions

  1. in Central Europe, the part of the Neolithic period between 4400 BCE and 3500 BCE; following on from the Mittelneolithikum and preceding the Spätneolithikum

Ancestry of “Jungneolithikum”, step by step

Jungneolithikum traces back through two separate lines of ancestry.

via German jung

StepLanguageWordMeaning
1Germanjungyoung
2GermanJungeboy; jack; inflection of Junges: ## strong...
3Middle High Germanjungyoung
4Old High Germanjungyoung
5Proto-West Germanicjungyoung
6Proto-Germanicjungazyoung
7Proto-Germanicjuwungaz
8Proto-Indo-Europeanyuwn̥kós
9Proto-Indo-Europeanh₂yuh₁en-young
10Proto-Indo-Europeanh₂ey-vital force, life, age, eternity; day, morning

via German Neolithikum

StepLanguageWordMeaning
1GermanNeolithikumNeolithic, New Stone Age
Every word from Proto-Indo-European h₂ey-