One of the mysteries of the English language finally explained.
1The action of making a round trip.
2Finance. The practice of earning profit by borrowing on overdraft and relending in the money markets; (later also) the practice of investing capital abroad and then reinvesting it in its country of origin, in order to take advantage of favourable tax rates, etc., given to foreign investors.
Early 20th century; earliest use found in Street Railway Journal. From round-trip + -ing.
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