אבעבּעה 'ăba‛bû‛âh ab-ah-boo-aw' (By reduplication) from an unused root (meaning to belch forth); an inflammatory pustule (as eruption)KJV Usage: blains.
Brown-Driver-Briggs' Hebrew DefinitionsBDB970 אבעבּעה 1. blisters, boils (from root, to swell up) Origin: (by reduplication) from an unused root (meaning to belch forth) TWOT: 217a Parts of Speech: Noun Feminine