Where does “Rettungsanker” come from?

Rettungsanker (German) comes from German anker, from Middle High German anker, from Old High German anker, from Proto-West Germanic *ankurō, from Proto-Germanic ankurô, from Latin ancōra, from Ancient Greek Ἄγκυρα, from Proto-Indo-European ang- — joint; corner, hirn; joint; lith.

Rettungsanker (German): lifeline

Definitions

  1. lifeline

Ancestry of “Rettungsanker”, step by step

Rettungsanker traces back through two separate lines of ancestry.

via German anker

StepLanguageWordMeaning
1Germanankerinflection of ankern: ## first-person singular...
2Middle High Germananker
3Old High Germanankeranchor
4Proto-West Germanic*ankurōanchor
5Proto-Germanicankurôanchor
6Latinancōraanchor (tool to keep a vessel from drifting)
7Ancient GreekἌγκυραAncyra; Angora; Ankara, Turkey
8Proto-Indo-Europeanang-joint; corner, hirn; joint; lith

via German Rettung

StepLanguageWordMeaning
1GermanRettungrescue; rescue service; emergency service;...
2Germanrettento save, to rescue
3Middle High Germanretten
4Old High Germanretten
5Proto-West Germanichraddjanto save, to rescue
6Proto-Germanichradjanąto loosen; set free; deliver; rescue; save
7Proto-Indo-Europeanḱret-to be strong
Every word from Proto-Indo-European ang-