יְסַף ch., Af. אוֹסִיף, אוֹסֵף same, to add, increase; to do again. Targ. Deut. I, 11.—Targ. Gen. VIII, 10; a. fr.—Sabb. 116ᵇ אנא … אלא לאוֹסָפֵי וכ׳ Ms. M. (v. Rabb. D. S. a. l. note) I have not come to diminish from but to add to the law of Moses. Y. Ber. IV, 7ᶜ אוֹסְפוּן עליה add thereto.—Part. pass. מוֹסַף, f. מוֹסְפָא. Kidd. 20ᵃ והא מ׳ ואזלא but this (the debt on interest) is continually growing; a. fr.
    Ittaf. - אִתּוֹסַף to be added. Targ. Gen. XLIX, 26; a. fr.—Ber. 28ᵃ אִתּוֹסְפוּ כמה ספסלי many forms had to be added (to accommodate the hearers). Ib. א׳ ד׳ מאהוכ׳ four hundred forms were added; a. e.