surplusage
A surplus; a superabundance.
archaic, countable, uncountable
If then thee list my offred grace to vse, / Take what thou please of all this surplusage; / If thee list not, leaue haue thou to refuse […]
Matter in pleading which is not necessary or relevant to the case, and may be rejected.
countable, uncountable
A greater disbursement than the charge of the accountant amounts to.
countable, uncountable
one third-part of the surplusage of the estate of any person dying intetate, hall be distributed to his widow,and the reidue amongt his children by equal portions
1802–1819, Abraham Rees, The Cyclopædia; or, Universal Dictionary of Arts, Sciences, and Literature
Where it comes from
From Medieval Latin surplusagium, from surplus.
Adapted from the Wiktionary entry surplusage (CC BY-SA 4.0).