Where does “belw” come from?

belw (Middle English) comes from Middle English beli, from Old English bælg, from Proto-Germanic balgiz, from Proto-Indo-European bʰelǵʰ-, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.

Ancestry of “belw”, step by step

StepLanguageWordMeaning
1Middle Englishbeli—
2Old Englishbælgbelly
3Proto-Germanicbalgizbag
4Proto-Indo-Europeanbʰelǵʰ-to swell
5Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
6Proto-Indo-Europeanbʰōl-—
Every word from Proto-Indo-European bʰōl- →Every word from Proto-Indo-European bʰel- →Every word from Proto-Indo-European bʰelǵʰ- →