/ ˈsɜːtʃɑːdʒ; NAmE ˈsɜːrtʃɑːrdʒ/ noun , verb
■ noun
surcharge (on sth) an extra amount of money that you must pay in addition to the usual price
SYN supplement
■ verb
to make sb pay a surcharge :
[ vnn ]
We were surcharged £50 for travelling on a Friday.
[also vn ]
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WORD ORIGIN
late Middle English (as a verb): from Old French surcharger (from sur- and charge ). The early sense of the noun (late 15th cent.) was excessive load .