Strong's G3692 · Greek

ὀπή

ope · op-ay'

probably from 3700; a hole (as if for light), i.e. cavern; by analogy, a spring (of water)

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 2 ὀπή , -ῆς, ἡ , [in LXX for חֹר , חָגוּ , etc.;] an opening , a hole : Ja 3:11 (cf. Ex 33:22 ), He 11:33 (cf. Ob 3 ).† 

G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain