FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

sunepimartureo συνεπιμαρτυρέω — soon-ep-ee-mar-too-reh'-o — from 4862 and 1957; to testify further jointly, i.e. unite in adding evidence:--also bear witness.

see GREEK for 4862

see GREEK for 1957