*בַּעְבַּע, (v. בעי) to ask entrance, knock at the door. Lev. R. s. 21; Pesik. Aḥare, p. 177ᵃ הוה מבעבע used to knock. [Ar. reads כעכע, quoting Lev. R. l. c. also for a Hebrew verb לכעכע; Rashb. to Pes. 112ᵃ quotes נענע.]