Where does “self-justification” come from?
self-justification (English) comes from English justification, from Middle French justification, from Late Latin iustificationem, from Latin iustificō, from Latin iūstus, from Latin iūs, from Latin dīcō, from Latin -tiō — limestone; chalk; the finish line.
self-justification (English): Justification of oneself
Ancestry of “self-justification”, step by step