From easement in its former euphemistic use to reference the easing of one's bowels.
do one's easement (third-person singular simple present does one's easement, present participle doing one's easement, simple past did one's easement, past participle done one's easement)
- (euphemistic, obsolete) To ease one's bowels: to defecate.
2013, Shirley McKay, “A Merry Month”, in Friend & Foe (A Hew Cullen Mystery), Edinburgh: Polygon, →ISBN:
He lit candles in the passage next to Patrick's closet, where his lordship wrote his letters, did his easement, took his bath, and knelt on winter nights to say his blackest prayers.
- ^ "easement, n." in the Oxford English Dictionary (1891), Oxford: Oxford University Press.