Meaning of the Sanskrit Word: darusu

  darusu—in the wood    SB 1.2.32, SB 3.9.32, SB 4.21.35
  darusu—in wood    SB 5.18.36, SB 7.2.43, SB 7.9.47
  darusu—into pieces of wood    SB 4.9.7

Can't find any compound Sanskrit words containing darusu.