Philippians 2:22

22τὴνButδὲthe proven worthδοκιμὴνof himαὐτοῦyou knowγινώσκετε,thatὅτιasὡςa father [with]πατρὶa childτέκνονwithσὺνmeἐμοὶhe has servedἐδούλευσενinεἰςtheτὸgospelεὐαγγέλιον.

But you⁺ know his proven worth, that as a child [with] a father he served with me in the gospel.