ὀπή (opḗ|op-ay'|noun|opening)
[Grk] ὀπή LN: 1.53 GK: G3956 Hebrew: אֲרֻבָּה‎, חֲגָו‎, חֹור‎, נְקָרָה‎, סָפָה‎
Derivation: probably from ὀπτάνομαι;
Strong's: a hole (as if for light), i.e. cavern; by analogy, a spring (of water)
KJV: --cave, place.
See: ὀπτάνομαι