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Slavonic
noun
°A branch of the Indo-European family of languages, usually divided into three subbranches:.
"South Slavonic (including Old Church Slavonic, Macedonian, Bosnian, Croatian, Serbian, Bulgarian, etc.)"
°The unrecorded ancient language from which all of these languages developed.
adjective
°Of, denoting, or relating to the people who speak these languages.
°Of, denoting, or relating to Slavonia and its inhabitants.
synonyms: slavic, sclavonic