Biblical Word Etymology
The Etymology of “Conversion”
The biblical word “Conversion” traces back to Greek (metanoia (μετάνοια), epistrephō (ἐπιστρέφω)), where it meant “A turning around, a change of direction; spiritual turning toward God”. Across 3eras it evolved into the modern sense: “The adoption of a new faith or belief; becoming a believer in Christ”.
How the Meaning Evolved
Ancient Greek
Greekmetanoia (μετάνοια), epistrephō (ἐπιστρέφω)A turning around, a change of direction; spiritual turning toward God
Epistrephō (to turn, return) in Luke 22:32 of Peter being converted; metanoia (turning of mind) emphasizes repentance aspect of conversion.
Medieval Latin / Church
LatinconversioA turning from sin to righteousness; the action of becoming a Christian believer
Latin conversio from convertere (to turn around). Church fathers such as Augustine described conversio as a complete reorientation of the soul toward God.
Modern English
EnglishconversionThe adoption of a new faith or belief; becoming a believer in Christ
Via Old French from Latin. In Christian context, describes the decisive moment or process of becoming a Christian believer.