Strong’s Greek
G3692 — ope
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ὀπή
ope — pronounced op-ay'
probably from 3700; a hole (as if for light), i.e. cavern; by analogy, a spring (of water):--cave, place. see GREEK for 3700
2 occurrences in the KJV.
Hebrews 11:38
(Of whom the world was not worthy:) they wandered in deserts, and in mountains, and in dens and caves of the earth.
James 3:11
Doth a fountain send forth at the same place sweet water and bitter?