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词汇 thirty
词源

thirty adj., n.

"1 more than twenty-nine, twice fifteen; the number which is one more than twenty-nine; a symbol representing this number;" late 14c. metathesis of thritti, from Old English þritig, from þri, þreo "three" (see three) + -tig "group of ten" (see -ty (1)). Similar formation in Old Frisian thritich, Old Saxon thritig, Dutch dertig, Old High German drizzug, German dreissig.

The Thirty Years' War (1842) was a general European religious and dynastic power struggle, furiously destructive, waged 1618-48, mainly on German soil. The symbol -30- as printer and telegrapher's code to indicate the last sheet or line of copy or a dispatch is recorded from 1895. In 20c. jargon of newspaper journalism, it came to be a traditional sign-off signal and slang word for "the end."

updated on June 23, 2019

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更新时间:2025/5/2 10:21:09