BT Ber 41b(13) :מאן יהיב לן נגרי דפרזלא ונישמעינך‏ : would that we had iron legs so we could serve you
See the entire entry for yhb vb. to give

BT Ber 41b(13) : מאן יהיב לן נגרי דפרזלא ונישמעינך‏ : would that we had iron legs so we could serve you
See the entire entry for šmˁ vb. to hear