Where does “Leitfaden” come from?

Leitfaden (German) comes from German leiten, from Middle High German leiten, from Old High German leiten, from Proto-West Germanic laidijan, from Proto-Germanic laidijaną, from Proto-Germanic līþaną, from Proto-Indo-European leyt-, from Proto-Indo-European lēy- — to leave, let; to want, desire; to let; leave...

Leitfaden (German): manual, guide; guiding principle, yardstick

Definitions

  1. manual, guide; guiding principle, yardstick

Ancestry of “Leitfaden”, step by step

Leitfaden traces back through two separate lines of ancestry.

via German leiten

StepLanguageWordMeaning
1Germanleitento lead; to manage; to conduct
2Middle High Germanleiten
3Old High Germanleiten
4Proto-West Germaniclaidijanto lead
5Proto-Germaniclaidijanąto cause to go, to lead
6Proto-Germaniclīþanąto go; pass; to go through
7Proto-Indo-Europeanleyt-to scratch; to leave, die; to go, go forth, die
8Proto-Indo-Europeanlēy-to leave, let; to want, desire; to let; leave...

via German faden

StepLanguageWordMeaning
1Germanfadenyarn, thread
2Middle High Germanvademthread
3Old High Germanfadum
4Proto-Germanic*faþm
5Proto-Germanicfaþmazoutstretched arms; embrace; fathom
6Proto-Indo-Europeanpat-to feed; path; to go

Words derived from “Leitfaden

Every word from Proto-Indo-European lēy-Every word from Proto-Indo-European leyt-Every word from Proto-Germanic līþaną