Word Study
ad valorem
CIDE DICTIONARY
ad valorem, [L., according to the value.].
A term used to denote a duty or charge laid upon goods, at a certain rate per cent upon their value, as stated in their invoice, -- in opposition to a specific sum upon a given quantity or number; as, an ad valorem duty of twenty per cent. [1913 Webster]
OXFORD DICTIONARY
ad valorem, adv. & adj. (of taxes) in proportion to the estimated value of the goods concerned.
Etymology
L, = according to the value
ROGET THESAURUS
ad valorem
Price
N price, amount, cost, expense, prime cost, charge, figure, demand, damage, fare, hire, wages, value, dues, duty, toll, tax, impost, cess, sess, tallage, levy, abkari, capitation tax, poll tax, doomage, likin, gabel, gabelle, gavel, octroi, custom, excise, assessment, benevolence, tithe, tenths, exactment, ransom, salvage, tariff, brokerage, wharfage, freightage, bill, shot, priced, to the tune of, ad valorem, dutiable, mercenary, venal, no penny no paternoster, point d'argent point de Suisse, no longer pipe no longer dance, no song no supper, if you dance you have to pay the piper, you get what you pay for, there's no such thing as a free lunch, one may have it for, a bon marche.For further exploring for "ad valorem" in Webster Dictionary Online