Where does “lydmur” come from?

lydmur (Norwegian Bokmål) comes from Norwegian Bokmål lyd, from Danish lyd, from Old Danish liud, from Old Norse hljóð, from Proto-Germanic hleuþą, from Proto-Indo-European ḱlew-to-, from Proto-Indo-European ḱlew-, from Proto-Indo-European ḱel- — to cover; to incline.

lydmur (Norwegian Bokmål): the sound barrier

Definitions

  1. the sound barrier

Ancestry of “lydmur”, step by step

lydmur traces back through two separate lines of ancestry.

via Norwegian Bokmål lyd

StepLanguageWordMeaning
1Norwegian Bokmållydsound; people; imperative of lyde
2Danishlydsound; noise; imperative of lyde
3Old Danishliuda sound
4Old Norsehljóðsilence, hearing; a sound, cry; a musical sound,...
5Proto-Germanichleuþąlistening, hearing; sound
6Proto-Indo-Europeanḱlew-to-
7Proto-Indo-Europeanḱlew-to hear
8Proto-Indo-Europeanḱel-to cover; to incline

via Norwegian Bokmål mur

StepLanguageWordMeaning
1Norwegian Bokmålmura wall
2Old Norsemúrr
3Latinmūruswall, city wall(s), (usually of a city, as opposed to pariēs)
4Old Latinmoerus
5Proto-Indo-Europeanmēy-soft, tender, dear
Every word from Proto-Indo-European ḱel-Every word from Proto-Indo-European ḱlew-Every word from Proto-Indo-European ḱlew-to-