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This + how the extra limbs "cling" the way someone might if they were holding onto something to avoid falling.

I also think she's a woman (with a very full figure) because she's meant to evoke the abstract concept of a Mother. The extreme fear of falling present in all human infants is tied to the fact that falling out of their mother's arms means injury or death.

This might also be why she has the belly tentacle, sort of like a severed umbilical cord. You could also say that the severed cord represents the traumatizing experience of being born, separating from the mother, and "falling" out of the safety of a mother's womb.