וַיְדַבֵּר, Vaydabber (and he spoke), name of the Fourth Book of Moses, Numbers. Gen. R. s. 64 ספר ו׳. Ib. עביד ו׳ תלתא וכ׳ divided the Book of Numbers into three books. Yalk. Gen. 4 ספר ו׳ (Gen. R. s. 3 בְּמִדְבַּר).