septuagenarian

英 [,septjʊədʒɪ'neərɪən] 美 [,sɛptʃuədʒə'nɛrɪən]
  • adj. 七十多岁的；七旬老人的
  • n. 七十岁老者
septuagenarian
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中文词源

septuagenarian 七十至七十九岁的人

sept-,七，词源同 seven,-gen,十，词源同 ten,-arian,人。

英文词源

septuagenarian (adj.)
"of age 70, seventy-year-old," 1793, from Latin septuagenarius "containing seventy," from septuageni "seventy each," related to septuaginta "seventy" (see Septuagint). Noun meaning "a 70-year-old person" first recorded 1805. As an adjective, septuagenary is recorded from c. 1600.