Greek word
sýmphōnos
σύμφωνος
What it means
sounding together, i.e. accordant
sounding together (alike), i.e. (figuratively) accordant (neuter as noun, agreement)
Where it comes from
from sýn (σύν) and phōnḗ (φωνή)
How the King James translates it
Every place it appears 1
1 Corinthians7:5