Where does “fluid” come from?

fluid (Middle English) comes from Latin fluidus, from Latin fluō, from Proto-Indo-European bʰléh₁-, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.

Ancestry of “fluid”, step by step

StepLanguageWordMeaning
1Latinfluidusliquid, fluid, flowing; soft, feeble, moist
2Latinfluōto flow, stream, pour
3Proto-Indo-Europeanbʰléh₁-to bleat
4Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
5Proto-Indo-Europeanbʰōl-—

Words derived from “fluid”

Every word from Proto-Indo-European bʰōl- →
fluid — Etymology, Origin & Word History | Etymology Explorer