Slavery
来自Big Physics
Middle English: shortening of Old French esclave, equivalent of medieval Latin sclava (feminine) ‘Slavonic (captive)’: the Slavonic peoples had been reduced to a servile state by conquest in the 9th century.
wiktionary
From slave + -ery.
slaver + -y
etymonline
slavery (n.)
1550s, "severe toil, hard work, drudgery;" from slave (v.) + -ery. Meaning "state of servitude" is from 1570s; meaning "keeping or holding of slaves" is from 1728.
