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tetrachotomous

adjective
tet·​ra·​chot·​o·​mous

Definition of tetrachotomous 

: regularly dividing by fours : having a quadruple arrangement tetrachotomous peduncles

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History and Etymology for tetrachotomous

Greek tetracha in four parts (from tetra- + -cha, as in dicha in two) + English -tomous (as in dichotomous)

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