English
self-legitimation
From self- + legitimation.
Formed from self- + legitimation
Latin lēgitimus ‘lawful, legal, legitimate’
Medieval Latin lēgitimāre ‘to legitimate’
Medieval Latin lēgitimātiō
Middle French legitimacion
Middle English legittimacion
English legitimation
Today it means
noun The act of legitimizing one's actions.
Language periods are conventional ranges, not dates for this word.
Etymograph / self-legitimation