אַיְידֵי (contr. of על ידי; v. אַ־) 1) by the way of, through. Sabb. 109ᵇ א׳ פומיה through his mouth.—Naz. 2ᵃ א׳ בהמה through the instrumentality of the animal; a. fr. —2) (conj.) because, since as. א׳ דתני … תני נמי as the compiler had to state this, he incidentally mentions also the other. Kidd. 65ᵃ; a. fr.