instrumentaalsecomitatiivse
Instrumentaalse comitatiivse is a term used in linguistic descriptions to denote a grammatical form or construction that encodes both instrumental and comitative meaning. Broadly, instrumental meaning concerns the means or instrument by which an action is performed, while comitative meaning concerns accompaniment or association, i.e., with whom or with what the action is carried out. In languages that have a dedicated instrumentally comitative marking, a single form on a noun (or a nearby clitic/postposition) can bundledly express both aspects or signal one aspect with a strong contextual tendency toward the other.
Realization of this category varies across languages. Some languages employ a fused case marker or affix that
Typologically, the category is relatively rare and tends to appear in languages with rich case systems or
See also: Instrumental case, Comitative case, Postpositional constructions, Grammatical case.