Etymology First used 1275–1325; Middle English, from Old French avant (“to the front”).
1
Archaic Begone; depart; used in contempt or abhorrence.
Zuc. Hence auant I will marie a woman with no wombe, a creature with two noſes, a wench with no haire rather then remarie thee, […]1604 (date written), Iohn Marston [i.e., John Marston], Parasitaster, or The Fawne, […], London: […] T[homas] P[urfoot] for W[illiam] C[otton], published 1606, →OCLC, Act IV, scene i:
Avaunt, away! the cruel ſway, Tyrannic man's dominion1793, Robert Burns, “Song Composed in August (Now Westlin Winds)”, in Poems, Chiefly in the Scottish Dialect, 2nd edition, volume II, Edinburgh: […] T[homas] Cadell, […], and William Creech, […], published 1793, →OCLC, page 133:
2 more examples
In order to exorcise this she-devil, the attendants made circles on the walls with charcoal, within each was written: "Adam, Eve, Lilas, avaunt!"1936, Rollo Ahmed, The Black Art, London: Long, page 114:
He drew Adamcos and waved it at the monkey. “Avaunt, thou goblin!” he cried.1970, Richard Carpenter, Catweazle, Harmondsworth: Puffin Books, page 145:
avaunt
noun
Etymology First used 1275–1325; Middle English, from Old French avant (“to the front”).
But he, the more outrageous and bold, Sternely did bid him quickely thence avaunt1596, Edmund Spenser, “Book VI, Canto VI”, in The Faerie Queene. […], London: […] [John Wolfe] for William Ponsonbie, →OCLC:
That they should not avaunt[…]into the dongeon of eternal damnacion.1549, Miles Coverdale, transl., The Paraphrase of Erasmus upon the New Testament, London: Edward Whitchurche, Volume 2, Jude 21: