Jastrow: שִׁחְמָא

שִׁחְמָא, שִׁי׳ m. (preced.) 1) (adj.) dark, black.—Pl. שִׁחְמֵי, שִׁי׳, v. preced. —2) (noun) blackness, black spot; tarnish. B. Kam. 49ᵃ כל היכי דסליק ביה ש׳ לולד whenever he struck her so that the black mark (bruise) could be communicated to the embryo (excluding a blow on her hand or foot); Yalk. Ex. 335. B. Kam. 96ᵇ מידע ידיע שִׁיחְמַיְיהוּ (Ms. H. שִׁחְמַיְהוּ) (when he makes the coins which he blackened look new again,) their tarnish remains noticeable.