Relegate (rl-gt), v. t. [imp. & p. p. Relegated (-gtd); p. pr. & vb. n. Relegating.]
Etymology: [L. relegatus, p. p. of relegare; pref. re- re- + legare to send with a commission or charge. See Legate.]
To remove, usually to an inferior position; to consign; to transfer; specifically, to send into exile; to banish. It [the Latin language] was relegated into the study of the scholar. Milman.
Shades of meaning
Fernald has no entry of its own for relegate; he lists it under commit.
He lists it without comment; the entries above explain its neighbors.