senate: [13] The Roman senate was etymologically an assembly of ‘elders’. Latin senātus was a derivative of senex ‘old’, which has also given English senile, senior, sir, etc. English acquired the word via Old French senat. Senator [13] comes from the Latin derivative senātor. => senile, senior, sir
senate (n.)
c. 1200, "legal and administrative body of ancient Rome," from Old French senat or Latin senatus "highest council of the state in ancient Rome," literally "council of elders," from senex (genitive senis) "old man, old" (see senile). Attested from late 14c. in reference to governing bodies of free cities in Europe; of national governing bodies from 1550s; specific sense of upper house of U.S. legislature is recorded from 1775.
例文
1. The Senate is expected to pass the bill shortly.
上院はまもなくこの議案を可決する見通しだ。
2.The new bill would remove student representation from the university Senate .
新議案は大学評議会の学生代表を廃止する。
3.Senator Sam Nunn reigns supreme over the Senate Armed Services Committee.
サム?ナイン上院議員が上院軍事委員会を主導している。
4.He was appointed government leader in the senate ，and minister without portfolio.
彼は政府の参議院駐在指導者、政務委員に任命された。
5.Some members of the House and Senate worked all day yesterday.