The state of sharing a border or boundary; the quality of being adjacent or neighboring.
From Latin 'confinium' (a common border or boundary) combined with the suffix '-ity' to create an abstract noun. The Latin root 'finis' means 'border' or 'end,' which gave rise to words like 'define' and 'infinite.'
This word is so obscure that it was famously chosen as the original name of Confinity before the company merged and rebranded—the founders liked the intellectual elegance of a word meaning 'touching boundaries,' perfect for a payments company connecting different systems.
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