词族 · septuagenarian
词形变化
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。
英语词源
- 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.