Jastrow: עֲנַג

עֲנַג ch. same ; Pa. עַנֵּיג 1) to soften the skin by ointment, bathing &c.; to feel comfortable. Taan. 25ᵃ יהיבנא לך … דמְעַנְּגַת בהון I shall give thee, in the world to come, thirteen rivers of balsam oil clear as Euphrates and Tigris in which thou shalt find pleasure. —2) to celebrate merrily. Tanḥ. B’resh. 2 לעַנּוּגֵיה במאכל וכ׳ to celebrate it (the Sabbath) joyfully with eating &c.