Strong's G4901 · Greek

συνεπιμαρτυρέω

sunepimartureo · soon-ep-ee-mar-too-reh'-o

from 4862 and 1957; to testify further jointly, i.e. unite in adding evidence

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 1 * συν-επι-μαρτυρέω , -ῶ to join in attesting, bear witness together with : He 2:4 (Arist., Polyb., al.).† 

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