Strong's #69: agrupneo (pronounced ag-roop-neh'-o)
ultimately from 1 (as negative particle) and 5258; to be sleepless, i.e. keep awake:--watch.
Thayer's Greek Lexicon:
̓́
agrupneō
1) to be sleepless, keep awake, watch
2) to be circumspect, attentive, ready
Part of Speech: verb
Relation: ultimately from G1 (as negative particle) and G5258
Citing in TDNT: 2:338, 195
Usage:
This word is used 4 times:
Mark 13:33: "Take ye heed, watch and pray: for ye know not when"
Luke 21:36: " Watch ye therefore, and pray always, that ye may be accounted worthy"
Ephesians 6:18: "and supplication in the Spirit, and watching thereunto"
Hebrews 13:17: "submit yourselves: for they watch for your souls, as"