One of the mysteries of the English language finally explained.
The final deferred payment to a farmer for a crop or quantity of wool clipped, paid by a cooperative society, agricultural board, etc., consisting of the difference between the total amount due for the season and the payments already made.
Early 20th century. From South African Dutch achterschot, Afrikaans agterskot (from Dutch achter + schot), perhaps after voorskot.
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