חִיזּוּק, חִזּ׳ m. (חָזַק) 1) repairing, supporting. Y. Erub. V, 22ᵈ bot. לח׳ בתים וכ׳ (the handle of an axe wedged in between two buildings) was intended to support the houses, v. דִּיסְתְּקָא. —2) effort, mental energy. Ber. 32ᵇ; Yalk. Josh. 5. —3) fastening, stringent measures for the protection of the law. Keth. 83ᵇ, a. e. חכמים עשו ח׳ לדבריהם וכ׳ the scholars protected their own enactments more than the biblical laws. Erub. 3ᵃ סוכה דאורייתא לא בעי ח׳ וכ׳ the law of Succah being Biblical requires no protection, but that about &c. Keth. 56ᵇ; a. fr.