This in turn derives from the Proto-Indo-European root * bhrgh meaning `` fortified elevation '' , with cognates including MISC@1 bera -LRB- `` stack '' -RRB- and Sanskrit bhrant - -LRB- `` high , elevated building '' -RRB- .

This in turn derives from the Proto-Indo-European root * bhrgh meaning `` fortified elevation '' , with cognates including MISC@1 `` bera '' , `` stack '' and Sanskrit bhrant - `` high , elevated building '' .
