ὀπήopḗ
GreekG36922 occurrences (KJV)
a hole (as if for light), i.e. cavern; by analogy, a spring (of water)
KJV renders it: cave, place
Where it appears
Lexical data: Strong’s Hebrew & Greek Dictionaries (1890, public domain; openscriptures, CC-BY-SA). Word tagging from the Strong’s-numbered KJV.