Rashi on Leviticus 26:36/רש"י על ויקרא כ״ו:ל״ו

1והבאתי מרך AND I WILL SEND A FAINTNESS [INTO THEIR HEART] — מרך‎ means timidity and faint-heartedness. The מ is an essential letter of the noun, which, however, is omitted in the root; as is the case with the מ in the nouns מועד and ומוקש.

2ונסו מנוסת חרב AND THEY SHALL RUN AWAY AS RUNNING AWAY FROM THE SWORD — as though pursuers were about to kill them.

3עלה נדף A RUSTLING LEAF — i. e. a leaf which the wind pushes along and beats it against another leaf, so that, in tapping it, it produces a sound. This, too, is its translation in the Targum: the sound of a leaf דשקיף — a term that signifies beating. The words (Genesis 41:6): שדופות קדים are rendered in the Targum by שקיפן קידום, beaten by the east wind, the first word being of the same meaning as משקוף, a lintel, that being the place against which the door beats. Similarly the Targum translation of חבורה, a wound, (Exodus 21:25), is משקופי (a spot that has been beaten).