Eftsoon
Eftsoon , adverb
[Old English eftsone, eftsones; Anglo-Saxon eft + sōna soon. See Eft, and Soon.]
Again; anew; a second time; at once; speedily. [Archaic]
And, if he fall from his capel [horse] eftsone.
The champion stout eftsoons dismounted.
Also: Eftsoons