Webster's Revised Unabridged Dictionary · 1913

Begone

Begone ({not transcribed}) , interjection

[Be, v. i. + gone, p. p.]

Go away; depart; get you gone.

Begone , past participle

[Old English begon, Anglo-Saxon bigān; pref. be- + gān to go.]

Surrounded; furnished; beset; environed (as in woe-begone). [Obsolete] — Gower. Chaucer