דּוּ III, (δύο, only in certain compounds) two, double. Lev. R. s. 14, beg. דו פרצופין נברא Adam was created with two faces (male and female persons combined); Gen. R. s. 8, beg. דיו; Ber. 68ᵃ; a. e.—Ex. R. s. 5 דו פרצ׳ היה יוצא the word of the Lord went forth in two characters (killing and reviving). V. דְּיוֹ II.