Quick Definition
σάκκος, ου, ὁ n.m. sack-cloth
Strong's Definition
of Hebrew origin (8242); "sack"-cloth, i.e. mohair (the material or garments made of it, worn as a sign of grief)
KJV Usage: sackcloth
UBS Dictionary of the Greek New Testament
noun, m. | -ου
6.164 · Artifacts · Cloth, Leather, and Objects Made of Such Materials
sackcloth a heavy material normally used for making sacks, but worn by persons in mourning and as a sign of repentance In most languages sackcloth is described as ‘coarse cloth’ and sometimes as ‘heavy cloth.’
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
σάκκος (Attic σάκος), του. 6, Hebr. pw [ef. Vanitek, Fremdworter, s.v.], a sack (Lat. saccus) i. e. 8. ἃ receptacle made for holding or carrying various things, as money, food, ete. (Gen. xlii. 25, 35 ; Lev. xi. 32). _b. a coarse cloth (Lat. cilicium), a dark coarse stuff made especially of the hair of animals [A.V. sackcloth]: Rev. vi. 12; a garment of the like material, and clinging to the person like a sack, which was wont to be worn (or drawn on over the tunic instead of the cloak or mantle) by mourners, penitents, suppliants, Mt. xi. 21; Lk. x. 13, and also by those who, like the Hebrew prophets, led an austere life, Rey. xi. 3 (cf. what is said of the dress of John the Baptist, Mt. iii. 4; of Elijah, 2 K. i. 8). More fully in Win. RWB. 5. ν. Sack; Roskoff in Schenkel v. 134; [s.v. Sackcloth in B. D.; also in MeClintock and Strong. (From Hat. down.) ]
Mounce Concise Greek Dictionary
σάκκος sakkos 4x
sackcloth, a coarse black cloth made of hair (goat or camel), Rev. 6:12; a mourning garment of sackcloth, Mt. 11:21; Lk. 10:13; Rev. 11:3*
Abbott-Smith Greek Lexicon
σάκκος also written σάκος, -ου, ὁ
(cf. Heb. שַׂק, which it renders in LXX),
a coarse cloth, sackcloth, usually made of hair: Re 6:12.
Anything made of sackcloth;
a sack (Ge 42:25, al.);
a garment of sackcloth, expressive of mourning or penitence: Mt 11:21, Lk 10:13, Re 11:3.†
Moulton & Milligan — Vocabulary of the Greek NT
σάκκος, a Semitic word, denoting ‘‘sackcloth,’’ ‘‘sacking,” a coarse cloth made of the hair of goats and other animals: cf. PST IV. 4271 14 (iii/B.c.) γραφὴ σάκκων kal μαρσίππων - σάκκον τρίχινον a, P Hamb I. 1089 (ii/A.D.) σάκκους τριχίνους. Other exx. of the word are P Reinach 1719 (B.C. 109) κιτὼν kal ἱμάτιον Kal σάκκον, οἵ“, P Ryl IT. 14576 (A.D. 38) σάκκο(ν) πλήρηι κνήκωι, ‘‘a sack full of cnecus,” BGU II. 5979 (a.p. 75) τὸν σάκκον τοῦ πυροῦ, P Oxy VI. 932° (late ii/A.p.) is τοὺς σάκκους σφραγίσας, “sealing it (sc. vegetable seed) in the sacks,’’ 26. XIV. 1733" (late ili/A.D.) τι(μὴ) σάκκων σιππίων (ὁ στυππίων 567 73
Liddell-Scott-Jones — Greek-English Lexicon
σάκκος (sakkos) — sackcloth. σάκκος or σάκος, ὁ, see entry near the end:— coarse cloth of hair, especially of goats' hair, σάκκος τρίχινος [LXX+NT]
II. anything made of this cloth:
II.1. sack, bag, [Refs 5th c.BC+]
II.2. sieve, strainer, especially for wine, [Refs 6th c.BC+]
II.3. coarse garment, sackcloth, worn as mourning by the Jews, [LXX+NT+1st c.AD+]
III. coarse beard, like rough hair-cloth, σάκον πρὸς ταῖν γνάθοιν ἔχειν [Refs 5th c.BC+] —The form σάκος is said to be Attic dialect, [Refs 2nd c.AD+] R., etc.; while σάκκος is called Doric dialect by [Refs 6th c.BC+]. Inscrr. have σάκος [Refs]: Papyri have σάκος [Refs 3rd c.BC+], but oftener σάκκος [Refs 3rd c.BC+], etc. (Prob. the word, like the thing, was borrowed from Phoenicia, cf. Hebrew saq.)