The English derivation thraldom is of High Medieval date.
From the en.wikipedia.org
So deep was the thraldom of the human mind, that the friends and relatives of the accused parties looked on and approved.
From the scienceblogs.com
If it weren't for their expertise in funding and developing businesses, we might still be laying around in slavery and thraldom.
From the economist.com
Iran's economic liberalisation has been long delayed by fears that this would lead to renewed thraldom to the foreign powers that dominated the country for most of the 20th century.