σήκ-ωμα · sēk-ōma — LSJ
a weight in the balance, standard weight, IG 2(2).1013.8, Hyp. Fr. 271 (ap. Poll. 4.172); σμικρὸν τὸ σὸν σ. προστίθης slight is the weight that you throw into the scale, E. Heracl. 690; σ. μολίβδινα leaden weights or counterpoises, Plb. 8.5.9; τὸ κατόπιν σ. τῆς προβολῆς, of the spear, Id. 18.29.3; makeweight, Id. 18.24.5.
a standard measure, [κρότωνος] PCair.Zen. 670.7 (iii B.C.); σ. σιτηροῦ ἡμεδίμνου SIG 2508 (Delos, i B.C.); jar or measure of wine, POxy. 1720.5 (iv A.D.), 1896.19 (vi A.D.), PLond. ined. 2115 (vi A.D.).
momentum, Ael. Tact. 13.2.
return, recompense, Phalar. Ep. 134.
= σηκός II, sacred enclosure, E. El. 1274, IG 3.1979.