זִגְזֵג, (Pilp. of זגג, v. זַגָּג) to clarify. Y. Nidd. III, 50ᵈ top שהוא מתון ומְזַגְזֵג (Tosef. ib. IV, 11 רך ומזכזך; Bab. Nidd. 25ᵇ מצחצח) oil is cohesive and clarifies.