Strong's #4901: sunepimartureo (pronounced soon-ep-ee-mar-too-reh'-o)
from 4862 and 1957; to testify further jointly, i.e. unite in adding evidence:--also bear witness.
Thayer's Greek Lexicon:
́
sunepimartureō
1) at attest together with
2) to join in bearing witness, to unite in adding testimony
Part of Speech: verb
Relation: from G4862 and G1957
Citing in TDNT: 4:508, 564
Usage:
This word is used 1 times:
Hebrews 2:4: "God also bearing them witness, both with signs and wonders, and with divers"