a piece of work that is supplementary to or a by-product of a larger work 附件;副产品 ■(archaic)work that is subsidiary to one's ordinary employment (古)(本职工作以外的)副业工作 he pursued astronomy as a parergon. 他把研究天文作为副业工作。
语源
early 17th cent.: via Latin from Greek parergon, from para- 'beside, additional' + ergon 'work'