[1] : The Collaborative International Dictionary of English v.0.48

eftsoon \eftsoon"\, eftsoons \eftsoons"\, adv. oe. eftsone,
   eftsones; as. eft + s=ona soon. see eft, and soon.
   again; anew; a second time; at once; speedily. archaic
   1913 webster

         and, if he fall from his capel horse eftsone.
                                                  --chaucer.
   1913 webster

         the champion stout eftsoons dismounted.  --spenser.
   1913 webster
see also:
eft soon 

Eftsoon >> E Words
Eftsoon, definition of term: Eftsoon
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