Where does “dulled” come from?

dulled (Middle English) comes from Middle English dollen, from Middle English dull, from Old English dol, from Proto-West Germanic *dol, from Proto-Germanic dulaz, from Proto-Germanic dwalaz, from Proto-Indo-European dʰwel-.

Ancestry of “dulled”, step by step

dulled traces back through two separate lines of ancestry.

via Middle English dollen

StepLanguageWordMeaning
1Middle Englishdollento make or become blunt or dull; to make or...
2Middle Englishdull
3Old Englishdolfoolish
4Proto-West Germanic*dol
5Proto-Germanicdulazconfused, stunned; foolish, misled, mad
6Proto-Germanicdwalazconfused, stunned; foolish, misled, mad
7Proto-Indo-Europeandʰwel-

via Middle English dullen

StepLanguageWordMeaning
1Middle Englishdullento make dull
Every word from Proto-Indo-European dʰwel-Every word from Proto-Germanic dwalazEvery word from Proto-Germanic dulaz