Strong's #76: 'aba`bu`ah (pronounced ab-ah-boo-aw')

(by reduplication) from an unused root (meaning to belch forth); an inflammatory pustule (as eruption):--blains.

Brown-Driver-Briggs Hebrew Lexicon:

ּ

'ăba‛bû‛âh

1) blisters, boils (from root, to swell up)

Part of Speech: noun feminine

Relation: (by reduplication) from an unused root (meaning to belch forth)

Usage:

This word is used 2 times:

 

Exodus 9:9: "and shall be a boil breaking forth with blains upon man, and upon beast,"
Exodus 9:10: "and it became a boil breaking forth with blains upon man, and upon beast."