Prolixity, n.
Etymology: [L. prolixitas: cf. F. prolixité.]
The quality or state of being prolix; great length; minute detail; as, prolixity in discourses and writings. "For fulsomeness of his prolixitee." Chaucer. Idly running on with vain prolixity. Drayton.
Shades of meaning
Fernald has no entry of its own for prolixity; he lists it under circumlocution.
Where he writes about it:
Prolixity goes into endless petty details, without selection or perspective. — from circumlocution