G5575 ψευδομάρτυρ (pseudomártyr)

KJV renderings: false witness
Strong's definition: a spurious witness, i.e. bearer of untrue testimony
Derivation: from G5571 (ψευδής) and a kindred form of G3144 (μάρτυς);

From James Strong's public-domain dictionaries (G), JSON edition by OpenScriptures (CC-BY-SA). Every dotted-underline word in the text links here.