συνεκλεκτόςsyneklektós

chosen together with, co-elect: ἡ ἐν Βαβυλῶνι συνεκλεκτή (on the meaning, see ICC, in l.), 1 Peter 5:13.

Greek (New Testament) · G4899

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.
ἐκλέγομαιeklégomai · G1586to select

Where it appears

Appears 1 times in the Bible.

1 Peter 5:13 Your sister church here in Babylon sends you greetings, and so does my son Mark.

Source: G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), public domain.