E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Mince the Matter.
Not to mince the matter. To speak outright; not to palliate or gloss over the matter. Terence has Rem profer palam (Heauttimoroumenos, v. 2, 41). The French say, Je ne le lui ai point mâche. About the same is the phrase Not to put too fine a point on the matter.