kuksau
samasta-kukṣau — everything is within the abdomen;
SB 3.15.33
kukṣau — in the abdomen;
SB 3.31.4
kukṣau — towards the belly;
SB 3.31.8
kukṣau — in the womb;
SB 4.8.11
kukṣau — within the abdomen;
SB 10.14.17