From the second edition (1989):
(ɛnˈθrɔːldəm) [f. enthral v. + -dom.]

The state or condition of being enthralled. lit. and fig.

1641 Jer. Burroughs Serm. 19 Tending‥to the enthraldome of the estates, liberties, consciences of their posteritie. 1715 M. Davies Ath. Brit. i. 223 Full of marks of their Popish Enthraldom. 1843 Tait's Mag. X. 559 It is not yours to weep The land's enthraldom. 1884 Public Opinion 5 Sept. 289/1 The emancipation of multitudes of men and women from their enthraldom to a vitiated appetite.