תָּשַׁשׁ (privative of יש; cmp. יָשִׁישׁ) to be weak, slender, old. Ber. 32ᵃ עכשיו … ת׳ כחו כנקבה now the nations will say, his (God’s) power has grown weak as that of a woman. Pes. 62ᵇ מיום … ת׳ כחן וכ׳ from the day that the Book of Genealogy was suppressed, the strength of the wise has failed, and the light of their eyes has grown dim. Esth. R. to I, 1 ותַשׁ, v. רָתַח. Men. 29ᵇ; a. fr.—Part. pass. תָּשׁוּשׁ; pl. תְּשׁוּשִׁים, תְּשׁוּשִׁין. Midr. Till. to Ps. XVIII, 17 מה … הת׳ וכ׳ what did the feeble (old) among them (that crossed the Red Sea) do?; Yalk. Sam. 161 הת׳ והפודגרין the feeble and the lame. Cant. R. to V, 16 (ref. to Ps. XXIX, 4) קול ה׳ בכח לבחורים … לת׳ (not לתשי׳) ‘the voice of the Lord with strength’—for the youths; ‘the voice of the Lord with majesty’—for the feeble; (Num. R. s. 10¹ לַתַּשִּׁים); a. e.
    Hif. - הֵתֵישׁ or הִתִּישׁ to weaken. Snh. 26ᵇ (play on תושיה, Is. XXVIII, 29) למה נקרא … שמַתֶּשֶׁת כחו וכ׳ why is the law called tushiyah? Because the study of it weakens the strength of man (v. תַּשְׁיוּתָא). Gitt. 70ᵃ שלשה דברים מַתִּישִׁין וכ׳ Ar. (ed. מתיזין) three things weaken man’s strength; a. e.