נָגַף (b. h.) to strike, push; to injure. Tosef. B. Kam. I, 9 נגח נ׳ וכ׳ if he gored, pushed, bit &c. Num. R. s. 5 ונ׳ הקב"ה עושי וכ׳ and the Lord struck those who made the golden calf; a. fr.—Part. pass. נָגוּף; pl. נְגוּפִים. Midr. Till. to Ps. CXVIII, 23 כשיראו … אינן אלו הנ׳ וכ׳ when the nations shall see Israel in prosperity, they shall say, these are not the stricken, these are not the rejected &c.
Nif. - נִיגַּף to be stricken. Yoma 19ᵇ
Hithpa. - הִתְנַגֵּף to strike against. Lam. R. introd. (R. Joḥ. 2) לכשיִתְנַגְּפוּ רגליכם וכ׳ when your feet shall strike against the mountains &c. (fr. Jer. XIII, 16).