What does ē-vanno mean in Latin?

ē-vanno, a verb, means “to cast out the chaff of grain from the fan”.

verb

ē-vanno

ē-vanno, ĕre, v. a. vannus,

I. to cast out the chaff of grain from the fan, to winnow. *

I. Lit.: acus, Varr. R. R. 1, 52 fin.—*

II. Transf., to cast out: aliquem, Pompon. ap. Non. 19, 23 (Rib. Com. Fragm. p. 239).

What does ē-vanno mean in Latin?: ē-vanno, a verb, means “to cast out the chaff of grain from the fan”.