author

Concise Bible Dictionary:

2. αἴτιος, “cause, occasion.” The Lord Jesus became the “author of eternal salvation” (Heb. 5:99And being made perfect, he became the author of eternal salvation unto all them that obey him; (Hebrews 5:9)).

Strong’s Dictionary of Greek Words:

Greek:
αἴτιος
Transliteration:
aitios
Phonic:
ah’-ee-tee-os
Meaning:
from the same as 154; causative, i.e. (concretely) a causer
KJV Usage:
author