Where does “blagging” come from?

blagging (English) comes from English blag, from French blaguer, from French blague, from Dutch balg, from Middle Dutch balch, from Old Dutch balg, from Proto-West Germanic *balgi, from Proto-Germanic balgiz.

Ancestry of “blagging”, step by step

StepLanguageWordMeaning
1EnglishblagTo obtain for free, particularly by guile or...
2Frenchblaguerto joke, to joke about
3Frenchblaguepouch; joke; a penis
4Dutchbalgleather bag; bellows; fake bait for training...
5Middle Dutchbalchbelly; abdomen; leather bag
6Old Dutchbalg
7Proto-West Germanic*balgileather bag
8Proto-Germanicbalgizbag
9Proto-Indo-Europeanbʰelǵʰ-to swell
10Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
11Proto-Indo-Europeanbʰōl-
Every word from Proto-Indo-European bʰōl-Every word from Proto-Indo-European bʰel-Every word from Proto-Indo-European bʰelǵʰ-