Original sentence: However, most scholars remain unconvinced here since the arrival of the Armenians can only be securely dated to the 6th century BC with the Orontid kings and because very little is known specifically about the people of Azzi-Hayasa per se.Most of what is documented about Azzi-Hayasa concerns its activities against Hatti only.Several writers and historians have claimed that the territory of Hayasa was involved in the formation of the Armenian nation (Hayk) and ancient Armenian language.The origin of the Hay element remains a mystery--it may refer to an ethnic or regional designation
Edited sentence: Various historians claim that the territory of Hayasa was involved in the formation of the Armenian nation (Hayk) and ancient Armenian language