Where does “bolle” come from?

bolle (Middle French) comes from Middle English bolle, from Old English bolla, from Proto-Germanic bullô, from Proto-Germanic ballô, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.

Ancestry of “bolle”, step by step

StepLanguageWordMeaning
1Middle Englishbollepod; shell
2Old Englishbollabowl
3Proto-Germanicbullôround object; ball; bowl
4Proto-Germanicballôball
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-Germanic ballô