Reference for Eruvin 85:6

אמר רב אשי מתניתין נמי דיקא דקתני ספינה דומיא דדיר וסהר מה דיר וסהר דקביעי אף ספינה נמי דקביעא

in the case where a ship is on the move<span class="x" onmousemove="('comment',' I.e., that in such a case even R. Joshua and R. Akiba admit that it is permitted to walk throughout the ship.');">⁸</span> it was perfectly correct to state, THEY DESIRED', since the ship might have stopped;<span class="x" onmousemove="('comment',' Unexpectedly; and they desired to provide against such a possibility.');">⁹</span>

Jastrow

Jastrow

Jastrow