begone

[ bih-gawn, -gon ]

/ bɪˈgɔn, -ˈgɒn /

to go away; depart (usually used in the imperative).

Origin of begone

1325–75; Middle English; see be (imperative), gone

Raising his arm and waving his hand toward the door, he exclaimed, “Dogs, Begone!”

The History of Louisville, from the Earliest Settlement till the Year 1852 |Ben Casseday
And I answered him, 'Are you not the one who brought me the message each day bidding me begone, and never bade me stay?

Myths and Legends of Ancient Egypt |Lewis Spence
Begone, never to come in my sight again; for, if one thing were not, I would have your legs and arms cut off.

Gargantua and Pantagruel, Complete. |Francois Rabelais
Now, because she is your sister, if it's your will I'll begone in peace.

Red Eve |H. Rider Haggard

Therefore desist your irksome attention &, if need be, begone from Bath.

The Works of Max Beerbohm |Max Beerbohm

begone

/ (bɪˈɡɒn) /

go away!

C14: from be (imperative) + gone