דָּמַם (b. h.; v. דּוּם, 1) to be silent, dumb, at rest; to be stricken dumb. Pesik. R. s. 33 (ref. to Is. VI, 5) היאך היה לי שדָּמַמְתִּי how did it happen to me that I was silent (did not join in the praises of the angels)? Taan. 20ᵃ דָּמְמוּ הרוחות when the winds subside. Snh. 91ᵃ כאבן דּוּמָם like a dumb stone. Ber. 19ᵃ יושב ודוֹמֵם sits in silence; a. fr.—Part. pass. דָּמוּם, f. דְּמוּמָה. Lam. R. to I, 17 (ref. to אֶדַּדֵּם, Ps. XLII, 5) ועכשיו ד׳ סלקא וכ׳ and now in silence does she (Israel) go up (to the ruins of Jerusalem), and in silence &c.—V. דִּמְדֵּם. —2) to leave off. Midr. Till. to Ps. IV, 5 (ref. to ודמו ib.) [read:] ובלבד שתִּדֹּום וכ׳ provided that thou leavest off from the sin &c.; Yalk. ib. 627.
Hif. - הִדְמִים to silence, bring to a stand-still. Ex. R. s. 29 end ה׳ כל העולם He made the world stand still. Gen. R. s. 97 שהוא מַדְמִים וכ׳ who will bring to a standstill sun and moon.