Strong's #747: archegos (pronounced ar-khay-gos')
from 746 and 71; a chief leader:--author, captain, prince.
Thayer's Greek Lexicon:
1) the chief leader, prince
1a) of Christ
2) one that takes the lead in any thing and thus affords an example, a predecessor in a matter, pioneer
3) the author
Part of Speech: adjective
Relation: from G746 and G71
Citing in TDNT: 1:487, 81
This word is used 4 times:
Acts 3:15: "And killed the Prince of life, whom God hath raised"
Acts 5:31: "exalted with his right hand to be a Prince and a Savior, for to give repentance"
Hebrews 2:10: "sons unto glory, to make the captain of their salvation perfect"
Hebrews 12:2: "unto Jesus the author and finisher of our faith; who"