Parashas Metzora · Passuk 15:11
Chabad.org — English translation + Rashi
Torah Temima points to Niddah 63a (verified on the daf).
E-Daf.com — Tsurras Hadaf (size=3)
HebrewBooks / Shas PDF of the daf
English: “And whoever he touches” — Reish Lakish said: “And whoever the zav touches and his hands he did not rinse in water” — this is the case of heset by a zav.
Heset (shifting) of the zav
Chazal derive from this verse the impurity of heset — impurity caused by the zav shifting an object by his body movement.