BT Hor 10a(48) :מי הוה ידעת דהוה לן עיכובא כולי האי דאיתת נמי סולתא‏ : did you know that we would have so much of a delay that you also brought fine flour?
See the entire entry for ˁikkūḇ, ˁikkūḇā v.n.D delay; indispensable condition