The quality or state of being equally eminent or distinguished; shared prominence or excellence.
From co- + eminency (from Latin eminentia, meaning height or prominence). The suffix -ency creates an abstract noun for the state or quality of shared eminence.
This rare word shows how Latin-based prefixes and suffixes stack together in English—'co-' + 'emin-' + '-ency' layers three meaning-making elements, creating philosophical vocabulary for abstract relationships.
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