תּוספֿתּא אויף משלי 6:26

Rabbi Yosei bar Rabbi Yehuda says in the name of Rabbi Eliezer, he (i.e., the jealous husband) warns [his wife regarding associating with a certain man] on the testimony of one witness or on his own testimony, and she drinks [the bitter waters] on the testimony of two (se Sot. 1:1). They responded to the words of Rabbi Yosei bar Rabbi Yehuda, there is no end to the matter. § What is the first testimony? That is the testimony of seclusion. The second? That is the testimony of defilement. And how much time [is required] for defilement [to occur]? As much time as it takes for intercourse. And how much time does intercourse take? As much time as the first stage of intercourse. And how much time does the first stage of intercourse take? Rabbi Eliezer says, the time it takes to circle a palm tree. Rabbi Yehoshua says, the time it takes to mix a cup of wine. Ben Azzai says, the time it takes to drink it. Rabbi Akiva says, the time it takes for a weaver to tie a knot. Chanan ben Pinchas says, the time it takes her to stick a finger in her mouth. Peleimo says, the time it takes her to stick her hand into a basket and take out a loaf of bread. And even though there is no proof of the matter, there is a hint to the matter, as it says (Prov. 6:26, JPS tr.), "The last loaf of bread will go for a harlot."