also *gwera-, Proto-Indo-European root meaning "food, devouring."

It forms all or part of: carnivorous; devour; gorge; gurges; hellebore; herbivore; herbivorous; insectivore; locavore; omnivorous; voracious; voracity; -vorous.

It is the hypothetical source of/evidence for its existence is provided by: Sanskrit girati "devours, swallows," garah "drink;" Avestan aspo-gar- "devouring horses," nere-gar- "devouring men;" Greek bobroskein "to eat, digest," brotos "edible," brosis "eating," bora "fodder;" Latin vorare "to swallow, devour;" Armenian e-ker "ate;" Lithuanian gerti "to drink," gìrtas "drunk;" Old Church Slavonic žiro "to swallow," grŭlo "gullet," po-žreti "to eat" (of animals), "to devour."

Proto-Indo-European root meaning "to shine, flash, burn," also "shining white" and forming words for bright colors.

It forms all or part of: beluga; Beltane; black; blancmange; blanch; blank; blanket; blaze (n.1) "bright flame, fire;" bleach; bleak; blemish; blench; blende; blend; blind; blindfold; blitzkrieg; blond; blue (adj.1); blush; conflagration; deflagration; effulgence; effulgent; flagrant; flambe; flambeau; flamboyant; flame; flamingo; flammable; Flavian; Flavius; fulgent; fulminate; inflame; inflammable; phlegm; phlegmatic; phlogiston; phlox; purblind; refulgent; riboflavin.

It is the hypothetical source of/evidence for its existence is provided by: Sanskrit bhrajate "shines;" Greek phlegein "to burn;" Latin flamma "flame," fulmen "lightning," fulgere "to shine, flash," flagrare "to burn, blaze, glow;" Old Church Slavonic belu "white;" Lithuanian balnas "pale."