τεταρταῖος (tetartaîos|tet-ar-tah'-yos|adjective|happening on the fourth day)
[Grk] τεταρταῖος LN: 67.181 GK: G5479 Hebrew: רְבִיעִי‎
Derivation: from τέσσαρες;
Strong's: pertaining to the fourth day
KJV: --four days.
See: τέσσαρες