Where does “Ichlaut” come from?

Ichlaut (German) comes from German ich, from Middle High German ich, from Old High German ih, from Proto-West Germanic ik, from Proto-Germanic *ek, from Proto-Indo-European éǵh₂ — I.

Ichlaut (German): voiceless palatal fricative

Definitions

  1. voiceless palatal fricative

Ancestry of “Ichlaut”, step by step

StepLanguageWordMeaning
1GermanichI
2Middle High GermanichI
3Old High GermanihI
4Proto-West GermanicikI
5Proto-Germanic*ek—
6Proto-Indo-Europeanéǵh₂I
Every word from Proto-Indo-European éǵh₂ →Every word from Proto-Germanic *ek →Every word from Proto-West Germanic ik →