συνδέωsyndéō

to bind with, i.e. (passively) be a fellow-prisoner (figuratively)

Greek (New Testament) · G4887

Meanings

(a) to bind together

(b) to bind together with: passive, Hebrews 13:3.

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.
δέωdéō · G1210to bind (in various applications, literally or figuratively)

Where it appears

Appears 1 times in the Bible.

Hebrews 13:3 Remember those in prison, as if you were there yourself. Remember also those being mistreated, as if you felt their pain in your own bodies.

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