septuagenary

Founding-era definition · Webster's 1828 American Dictionary

SEPTUAG'ENARY, adjective [Latin septuagenarius, from septuaginta, seventy.] Consisting of seventy. SEPTUAG'ENARY, noun A person seventy years of age.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI

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