A state or quality of being intent or attentive; concentrated focus or purposefulness.
From Latin 'attentus' (stretched toward, intent) plus the suffix -ity (forming abstract nouns). 'Attentus' comes from 'attendere' (to stretch toward).
This ultra-rare word survives mainly in philosophical texts from the 1600s-1700s—it captures what modern psychology calls 'flow state,' that deep, purposeful attention.
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