עָפַר
a.phar
- to throw
- and kept dusting
- with dust
STEPBible TBESH
Glosses: to throw
(Piel) to dust, powder
BDB (Brown-Driver-Briggs)
Glosses: and kept dusting; with dust
עָפַר vb. denom Pi 2 S 16:13 and kept dusting with dust ..(him)(throwing [lumps of] dry earth at him).