שַׂק saq (H8242)

properly, a mesh (as allowing a liquid to run through), i.e. coarse loose cloth or sacking (used in mourning and for bagging); hence, a bag (for grain, etc.)

1) mesh, sackcloth, sack, sacking 1a) sack (for grain) 1b) sackcloth 1b1) worn in mourning or humiliation 1b2) same material spread out to lie on

from שָׁקַק (H8264);