συνήθειαsynḗtheia

Meanings

Same root

• σύνsýn · G4862with or together (but much closer than G3326 (μετά) or G3844 (παρά)), i.e. by association, companionship, process, resemblance, possession, instrumentality, addition, etc.
• ἦθοςēthos · G2239usage, i.e. (plural) moral habits

Where it appears

Appears 3 times in the Bible.

• John 18:39 But you have a custom of asking me to release one prisoner each year at Passover. Would you like me to release this ‘King of the Jews’?”
• 1 Corinthians 8:7 However, not all believers know this. Some are accustomed to thinking of idols as being real, so when they eat food that has been offered to idols, they think of it as the worship of real gods, and their weak consciences are violated.
• 1 Corinthians 11:16 But if anyone wants to argue about this, I simply say that we have no other custom than this, and neither do God’s other churches.