#1235 διαγρηγορέω diagregoreo {dee-ag-ray-gor-eh'-o}

 from G1223 and G1127; TDNT - n/a; v

—Greek Word Study (Transliteration-Pronunciation Etymology & Grammar)

 1) to watch through
 2) to remain awake
 3) to be fully awake

—Thayer's (New Testament Greek-English Lexicon)

—Strong's (Greek Dictionary of the New Testament)

—NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries

 AV - be awake 1; 1

—Exhaustive Concordance (KJV Translation Frequency & Location)