Strong's Concordance G159

Original Word: αἴτιος
Transliteration: aítios
Phonetic Spelling: ah'-ee-tee-os
[αἴτιος] from the same as G154; causative, i.e. (concretely) a causer

Usages throughout the bible

Hebrews 5:9 - And being made perfect, he became the author G159 of eternal salvation unto all them that obey him;