welter
(n.) = confusión, maremágnum, galimatías
Ex: Without language we would go bumping around in the dark and eventually take leave of our senses under the welter of the incomprehensible, withdrawing, as some people do, into a closed world in order to protect ourselves against the unbearable onslaught.
----
* a welter of = un bariburrillo de, un revoltijo de, un popurrí de