Words

Akkadian
buršuzaggû - (a stone bowl) (CAD B 333, AHw. 1549)
Probably a “learned” loanword from Sumerian. The Sum. word does not seem to be attested outside a lexical entry. It consists of BUR ‘(stone) bowl, (stone) vesseľ (PSD B 182), ŠU ‘hand; handle’ and ZA₃(G) ‘side, edge, border’.
Akkadian
burtu (or būrtu) - caterpillar, insect larva (AHw. 141, CAD B 333)
in burt/da/i šam/nḫat
Akkadian
būru - young calf (CAD B 340, AHw. 141)
Akkadian
būru - (a type of song) (CAD B 343)
No etymology can be suggested.
Akkadian
burû - reed mat (CAD B 339, AHw. 141)
Akkadian
būru - (a synonym for sky) (CAD B 343)
Or pūru.
No definitive etymology can be suggested.
Akkadian
būru - well; hole, pit (CAD B 335, 342, AHw. 141)
Var. būrtu.
Akkadian
burubalû - (a type of snake) (CAD B 344, AHw. 142)
The word seems to be of Sumerian origin, but the etymon is obscure.
Akkadian
burzaraš - (a color and designation of horses) (CAD B 345, AHw. 142)
Or purzaraš.
While it is likely that the word penetrated into Akkadian from Kassite, its ultimate origin is uncertain.
Akkadian
burziburzi - (a leather strap) (CAD B 345, AHw. 142)
No definitive etymology can be suggested.