This seems unlikely, unless it can be shown that Winwaloe and winnow or Winoc were the same person.
This very night he is going to winnow barley on the threshing-floor.
With the aid of this book he managed to winnow down the doubtful firms to five or six.
These had lived there so long as to be able to winnow the chaff and throw the refuse off.
They winnow out the weeds among those who come under their influence with quite extraordinary celerity and thoroughness.
Would you winnow a whole peck of chaff for only three good grains?
Previous discussions had thrashed out the chaff and it now remained for Congress to winnow the wheat.
Wer't nae for thy girning face I would knock the big, winnow the corn, and grun the meal!
Then she appears in the granary helping the maltster to thresh and winnow grain.
In the village of Isser Jang on the road to Montgomery there be four changar women who winnow corn—some seventy bushels a year.
Old English windwian, from wind "air in motion, paring down," see wind (n.1). Cognate with Old Norse vinza, Old High German winton "to fan, winnow," Gothic diswinþjan "to throw (grain) apart," Latin vannus "winnowing fan."