In linguistics, designating a grammatical case used to express location or proximity (nearness to something).
From Latin 'adesse' meaning 'to be near' or 'to be present,' from 'ad-' (at) plus 'esse' (to be). The adessive case expresses the idea of being 'at' or 'near' someone or something.
Finnish, Estonian, and other languages have an 'adessive case' that literally means 'with' or 'at'—so 'talossani' means 'at my house,' showing how some languages build grammar around spatial relationships.
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