Active participle of an otherwise unused root meaning (properly, to pierce; but only as a denominative from showt) to flog; a goad -- scourge.
see HEBREW showt
H7850. shotet
שֹׁטֵט noun [masculine] scourge; — absolute ׳שׁ בְּצִדֵּיבֶם Joshua 23:13 (D; national scourge; < read שׁוֺטִים).