TY JOUR TI A historical-grammatical retrospective of the living word in the context of Russian-Church Slavonic diglossia KW history of grammar KW dual number KW aorist KW Russian-Church Slavonic diglossia KW comparative linguistics KW General Theory of the Living Word (GTLW) KW soborny / conciliar form of the word KW metaphysical grammar KW technological sovereignty KW artificial intelligence JO AU Lazarev, A.I. PY 2026 IS 11 PB INFRA-M Academic Publishing LLC.