Where does “bolster” come from?

bolster (Middle Dutch) comes from Proto-Germanic bulstraz, from Proto-Indo-European bʰelǵʰ-, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.

Ancestry of “bolster”, step by step

StepLanguageWordMeaning
1Proto-Germanicbulstrazbolster, pillow, cushion
2Proto-Indo-Europeanbʰelǵʰ-to swell
3Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
4Proto-Indo-Europeanbʰōl-—

Words derived from “bolster”

Every word from Proto-Indo-European bʰōl- →Every word from Proto-Indo-European bʰel- →Every word from Proto-Indo-European bʰelǵʰ- →