Strong's H4046מַגֵּפָה: a pestilence; by analogy, defeat KJV:(× be) plague(-d), slaughter, stroke.
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.
Root family 1294: נָגַףnāgap — strike, smite; be smitten; stumble; push, gore, defeat, stub, inflict; beat, dash, hurt, plague, slay, put to the worse