Strong’s Greek
G876 — aphros
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἀφρός
aphros — pronounced af-ros'
apparently a primary word; froth, i.e. slaver:--foaming.
1 occurrence in the KJV.
Luke 9:39
And, lo, a spirit taketh him, and he suddenly crieth out; and it teareth him that he foameth again, and bruising him hardly departeth from him.