Neuter of a presumed derivative of martus; something evidential, i.e. (genitive case) evidence given or (specially), the Decalogue (in the sacred Tabernacle) -- to be testified, testimony, witness.
see GREEK martus
μαρτύριον (marturion) − 17 Occurrences
μαρτυρίου (marturiou) − 2 Occurrences