4 e Eris
Eris is the goddess of discord or strife. The base 10 Qabalah show Eris between between Nyx and Dionysus. In the Hyperqab the node e is the feeder node for h (Incest). Feeder nodes endlessly pour their influence into only one other node.
Other accretions of Eris are: Hebrew: Daleth, Tarot: Empress, Apples (but not apple trees which belong to w (Eskatology), Poplar, Aspen, Kingfishers, Beavers, Bindweed, Oestrogen, Prolactin, Progesterone, Vitamin E, area (maths).