לָטַשׁ lâṭash (H3913)

properly, to hammer out (an edge), i.e. to sharpen

1) to sharpen, hammer, whet 1a) (Qal) 1a1) to hammer 1a2) to sharpen (sword) 1a3) hammerer (participle) 1b) (Pual) to be sharpened

a primitive root;