How to pronounce “dapperness” in English

"There were the junior clerks of flash houses-- young gentleman with tight coats, bright boots, well-oiled hair, and supercilious lips.Setting aside a certain dapperness of carriage, which may be termed deskism for want of a better word, the manner of these personsseemed to me an exact facsimile of what had been the perfect bon ton of about 12 or 18 months before." "They wore the castoff graces of the gentry,