rare. [f. BY- 4 + DOING.] † a. An additional or extra act. b. A casual by-work, parergon.
1496. Dives & Paup. (W. de W.), IV. xx. 185/2. Yf he were bounde to all suche bydoynges.
1842. J. H. Newman, Ch. of Fathers, 86. The by doings of this man are more precious
than what others do with labour.