χάσμα (chásmakhas'-mahnounchasm)
[Grk] χάσμα LN: 1.54 GK: G5926 Hebrew: פַּחַת
Derivation: from a form of an obsolete primary χάω (to "gape" or "yawn");
Strong's: a "chasm" or vacancy (impassable interval)
KJV: --gulf.