1999, in Cultures of the world: selections from the ten-volume encyclopedia (Melvin Ember, Carol R. Ember):
Kossi (1990, 5, 6) insists that the overarching name for this extended family of languages and peoples should be Adja rather than Ewe/Fon, given their common origin in Tado, where the Adja language, mother of the other tongues, […]
1995, Encyclopedia of world cultures, volume 9 (David Levinson, Timothy J. O'Leary, Terence E. Hays):
[…] given their common origin in Tado, where the Adja language, mother of the other tongues, is still spoken.
History and Cultural Relations
The Adja Kingdom of Tado, in an area constantly populated since prehistory and known for […]
1966, in West Africa, volume 50:
His first had been unofficial, but he had started to learn the Adja language of the Fon and, as Mr. Newbury says, little at this stage could have kept him from returning. The chance arose over, the question of the best means to persuade […]
He gave me the name "Mawounedalo," which means "God help me" in the Adja language. At my father's church, I had the privilege to grab the microphone any time the Spirit led me. I was known by almost everyone in the congregation.