"metal container to hold live coals," 1680s, from French brasier "pan of hot coals," from Old French brasier, from brese "embers," ultimately from West Germanic *brasa (compare braze (v.1)), from PIE root *bhreu- "to boil, bubble, effervesce, burn."
1580s, "to expose to the action of fire" perhaps (but the sense evolution is odd) from French braser "to solder," in Old French, "to burn," related to brese "embers," ultimately from West Germanic *brasa, from PIE root *bhreu- "to boil, bubble, effervesce, burn." Related: Brazed; brazing. Sense of "to solder" is attested in English from 1670s.
It is the hypothetical source of/evidence for its existence is provided by: Sanskrit bhurnih "violent, passionate;" Greek phrear "well, spring, cistern;" Latin fervere "to boil, foam," Thracian Greek brytos "fermented liquor made from barley;" Russian bruja "current;" Old Irish bruth "heat;" Old English breowan "to brew," beorma "yeast;" Old High German brato "roast meat."
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Definitions of brazier
large metal container in which coal or charcoal is burned; warms people who must stay outside for long times;