Winnow in Malayalam

Malayalam words whose English meaning includes “winnow”:

ചെറുക (cheruka) — Scatter, winnow, separate chaff from the grain.
തെള്ളുക (thelluka) — Press, crush, winnow, sift.
വീശല്‍ (veeshal) — Blowing of wind, etc., casting (the net), winnow, whirl, wave (eg. the hand, as to bid farewell).