The Latin term for 'diligence' or 'attentiveness,' sometimes used in English academic or legal contexts to denote careful and persistent application.
Direct from Latin diligentia, composed of diligent- (showing care) plus -ia (forming abstract nouns). The Latin root meaning 'to choose carefully' evolved into 'to apply with care.'
Lawyers still use 'diligentia' in some contexts, keeping the original Latin word alive in technical language—it's like English has a 'vestigial' Latin vocabulary for formal situations!
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