Where does “þyngdarbylgja” come from?

þyngdarbylgja (Icelandic) comes from Icelandic Bylgja, from Old Norse bylgja, from Proto-Germanic bulgijō, from Proto-Indo-European bʰelǵʰ-, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.

þyngdarbylgja (Icelandic): gravitational wave

Definitions

  1. gravitational wave

Ancestry of “þyngdarbylgja”, step by step

þyngdarbylgja traces back through two separate lines of ancestry.

via Icelandic Bylgja

StepLanguageWordMeaning
1IcelandicBylgjawave, billow
2Old Norsebylgjawave, billow
3Proto-Germanicbulgijōwave, billow
4Proto-Indo-Europeanbʰelǵʰ-to swell
5Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
6Proto-Indo-Europeanbʰōl-—

via Icelandic þyngd

StepLanguageWordMeaning
1Icelandicþyngdweight
2Old Norseþyngd—
3Proto-Germanicþungiþō—
4Proto-Germanicþunguzheavy
5Proto-Indo-Europeanténgʰus—
Every word from Proto-Indo-European bʰōl- →Every word from Proto-Indo-European bʰel- →Every word from Proto-Indo-European bʰelǵʰ- →