BT Er 69a(24) :בהדי דחזייה לר׳ יהודה נשיאה כסייה‏ : as soon as he saw Rabbi Judah the Prince he covered it up
See the entire entry for bahăḏē prep. with, while

BT Er 69a(24) :ההוא דנפק בחומרתא דמדושא‏ : a certain person who went out (on the Sabbath) with a ring of an m'-sandal
See the entire entry for mdwš n.m. treading