Meaning of the Sanskrit Word: angasya

  aṅgasya—of Aṅga    SB 4.13.18
  aṅgasya—of King Aṅga    SB 4.14.42
  aṅgasya—of the name Aṅga    SB-4.21.28-29

Can't find any compound Sanskrit words containing angasya.