שַׂק noun masculine^{Joshua 9:4} sack, sackcloth (see Schw^{ZAW xi (1891), 173} who conjectures Egyptian origin; Late Hebrew סַק sackcloth (rare); Assyrian ša‡‡u, sack (Dl^{HWB 687 a}), sackcloth (Wkl^{Altor. Forsch, vi. 44}); Ethiopic = Biblical Hebrew; Aramaic סַקָּא, ; Greek σάκκος Lewy^{Fremdw. 87}); — absolute ׳שׂ Genesis 37:34 +, שָׂ֑ק Jeremiah 48:37 +; suffix שַׂקִּי Psalm 30:12, etc.; plural שַׂקִּים Joshua 9:4 +, suffix שַׂקֵּיהֶם Genesis 42:35; —

1 sack, for grain Genesis 42:25,27 ("" אַמְתַּחַת), Genesis 42:35; Genesis 42:35 (E), Joshua 9:4 (JE), perhaps also Leviticus 11:32 (P).

2 sackcloth:

a. worn in mourning and humiliation (see Now^{Archaeology i. 192 f.} SACook^{Ency. Bib. under the word}), either loose garment like sack, or piece of similar material (of rough, dark hair), fastened round body: put (שִׂים) on loins Genesis 37:34 (J), 1 Kings 20:31, on (bare) flesh 1 Kings 21:27; 2 Kings 6:30, compare Jeremiah 48:37; Job 16:15 (with תָּפַר); ׳וְהַעֲלֵיתִי עַלכָּֿלמָֿתְנַיִם שׂ Amos 8:10; usually girt on (חָגַר) 2 Samuel 3:31; Isaiah 15:3; Isaiah 22:12; Jeremiah 4:8; Jeremiah 6:26; Jeremiah 49:3; Ezekiel 7:18; Ezekiel 27:31; 1 Kings 20:32; Joel 1:8, compare Isaiah 3:24; ׳כִּסָּה בַּשּׂ 2 Kings 19:1,2= Isaiah 37:1,2; Jonah 3:6,8; 1 Chronicles 21:16, figurative of heavens (compare קָדַר), אָשִׂים כְּסוּתָם ׳שׂ Isaiah 50:3; late ׳לָבַשׁ שׂ put on sackcloth Jonah 3:5; Esther 4:1, compare Esther 4:2; Psalm 35:13; Psalm 69:12; ׳בְּצוֺם וְשׂ Nehemiah 9:1, compare Daniel 9:3; ׳מִּתַּח שׂ loosen sackcloth Isaiah 20:2 (+ מֵעַל), Psalm 30:12 (opposed to שִׂמְחָה), מֵעַל ׳הֵסִיר שׂ Esther 4:4.

b. same garment (or material) spread out (to lie on), 2 Samuel 21:10 (with הִטָּה), Isaiah 58:5 (with הִצִּיעַ), compare Esther 4:3 ׳וַיִּשְׁכַּב בַּשׂ 1 Kings 21:27, ׳לִינוּ בַּשּׂ Joel 1:13.