|Definition - A disorderly collection is a congeries. The plural of the word congeries is congeries.|
Etymology - The word derives from the Latin congerere, to heap up.
Oxford English Dictionary - Its first citation is from 1619:
"Yet is hee a congeries … a masse of many unlike and repugnant affections."
(M. Fotherby Atheom. ii. x. §3 (1622) 303)