According to OED, congery is considered a "false singular" derived from this form. The etymology of congeries is listed as follows: "a. L. congeriēs heap, pile, collected mass, f. congerĕre to carry together: see CONGEST."
Only found in plural form?
"'But Islam is a world as varied as our own miserable congeries of hostile sects...'"--Patrick O'Brian, The Hundred Days, 20
a collection or accumulation of things seen as a whole.
According to OED, congery is considered a "false singular" derived from this form. The etymology of congeries is listed as follows: "a. L. congeriēs heap, pile, collected mass, f. congerĕre to carry together: see CONGEST."
Only found in plural form?
"'But Islam is a world as varied as our own miserable congeries of hostile sects...'"
--Patrick O'Brian, The Hundred Days, 20
a collection or accumulation of things seen as a whole.