Proto-IE: *bherw-, *bhrew-
Meaning: to boil, to seethe
Old Indian: bhurváṇi- `restless, impatient', bhurván- `restless motion of water'
Old Greek: phorütó-s m. `Gemisch, Gemengsel, Kehricht, Auswurf, Spreu', phorǖ́nomai̯, phorǘssomai̯ `vermischt, befleckt, besudeln werden'
Latin: fervō, -ere, fervī (jünger fervēre) `sieden, wallen, kochen, brausen, glühen'; dēfrutum / -ū- `der eingekochte Most, Mostsaft'
Celtic: *berw- > MIr berbaim `koche, siede, schmelze'; Cymr berwi `sieden, wallen', Bret birvi, ptc. bervet `sieden, wallen', bero, berv `gekocht'; *brut- > OIr bruth `Glut, Wut', MIr bruith `kochen', embruthe `Fleischbrühe'; OCymr brut `animus', Cymr brwd `heiss', brydio `fervere', OCorn bredion `coctio', OBret brot `zelotypiae', Bret broud `heiss, gährend'
Russ. meaning: бурлить, кипеть
References: WP II 167 f
Comments: Cf. *bhAur-
piet-prnum,piet-meaning,piet-ind,piet-greek,piet-slav,piet-germ,piet-lat,piet-celt,piet-rusmean,piet-refer,piet-comment,