Reference for Niddah 85:21

למה זה דומה לנותן אצבע בעין שכל זמן שאצבע בעין מדמעת וחוזרת ומדמעת

— It is unusual to get heated twice in immediate succession.<span class="x" onmousemove="('comment',' Lit., 'any being heated and being heated again at the time is not usual'. The comparison with the eye holds good only when a discharge was originally due to friction. ');">²⁰</span>

Jastrow

Jastrow

Jastrow