BT Ned 49b(13) :דייס׳ באצבעתי̇ה̇ בסים וכל דכן בתרתי וכל דכן בתלת‏ : a d'-dish (eaten) with one's finger is pleasing, how much more with two, and how much more so with three
See the entire entry for kl@dkn adv. how much more/less