Strong’s Hebrew
H660 — 'eph`eh
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
אֶפְעֶה
'eph`eh — pronounced ef-eh
from 659 (in the sense of hissing); an asp or other venomous serpent:--viper. see H0659
0 occurrences in the KJV.