The story
- Latin · derived frompiaculariter“by way of atonement; sinfully”
- English todaypiacularity
From Latin piaculariter (“by way of atonement; sinfully”), piacularius (“atoning, expiatory”) from piaculo (“to appease or propitiate with an offering”). See pius (“dutiful”).
Etymology from Wiktionary, CC BY-SA 4.0.