בִּדְּ־, prefix (comp. of בְּ a. דְּ = h. בְּשֶׁ־, בְּשֶׁל)
בִּדְּ־, concerning that (those) of; at the time of; treating of what refers to. Sabb. 112ᵃ בדטייעי in the case of those (sandals) of the travelling merchants (Arabs). Yoma 78ᵇ, v. הוּצָא. Ḥull. 20ᵃ ומתני׳ בדלא אהדר our Mishnah treats of a case when he did not turn. Gitt. 49ᵃ בדניזק וכ׳ we go in our assessment by (the property) of the injured; a. v. fr.
בִּדְּ־, if, when. Targ. Y. Gen. XLIII, 5 בִּדְּלֵית unless. Targ. O. Deut. IX, 4 בִּדְּיִתְּבַר; a. e.