Where does “æfdyne” come from?

æfdyne (Old English) comes from Old English dȳne, from Proto-West Germanic duni, from Proto-Germanic duniz, from Proto-Indo-European dʰún-is, from Proto-Indo-European dʰwen- — make a noise.

æfdyne (Old English): a descent, decline, or downward slope

Definitions

  1. a descent, decline, or downward slope

Ancestry of “æfdyne”, step by step

æfdyne traces back through two separate lines of ancestry.

via Old English dȳne

StepLanguageWordMeaning
1Old Englishdȳnedin
2Proto-West Germanicdunisound, noise
3Proto-Germanicdunizsound; noise
4Proto-Indo-Europeandʰún-is—
5Proto-Indo-Europeandʰwen-make a noise

via Old English æf

StepLanguageWordMeaning
1Old Englishæfof
2Proto-Germanic*ab—
3Proto-Indo-Europeanapó—
Every word from Proto-Indo-European dʰwen- →Every word from Proto-Indo-European dʰún-is →Every word from Proto-Germanic duniz →