Definition of aby
: to suffer a penalty for
Origin and Etymology of aby
Middle English abien, abiggen, abuggen “to pay for, obtain at the cost of labor or suffering, redeem, pay a penalty for,” from a-, weak perfective prefix (going back to Old English a-) + bien, biggen “to purchase, pay for” — more at abide, 1buy
First Known Use: before 12th centurySee Words from the same year
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