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• num. 八；八個；第八
• adj. 八的
• n. 八字形

來自PIE*okto, 八，詞源同eight ,October.

eight

eight: [OE] Virtually all the ancient basic Indo- European ‘number’-words are very stable, remaining recognizably the same as they spread and developed over the millennia, and the ancestor of English eight is no exception. It was *oktō, which produced Sanskrit astáu, Latin octō (source of French huit, Italian otto, and Spanish ocho), Greek októ, and Irish ocht. Its prehistoric Germanic descendant was *akhtō, source of German and Dutch acht, Swedish ?tta, and English eight.
=> october

eight (n.)

late 14c., eighte, earlier ehte (c. 1200), from Old English eahta, ?hta, from Proto-Germanic *akhto (cognates: Old Saxon ahto, Old Frisian ahta, Old Norse atta, Swedish ?tta, Dutch acht, Old High German Ahto, German acht, Gothic ahtau), from PIE *okto(u) "eight" (cognates: Sanskrit astau, Avestan ashta, Greek okto, Latin octo, Old Irish ocht-n, Breton eiz, Old Church Slavonic osmi, Lithuanian a?tuoni). From the Latin word come Italian otto, Spanish ocho, Old French oit, Modern French huit.

For spelling, see fight (v.). Meaning "eight-man crew of a rowing boat" is from 1847. The Spanish piece of eight (1690s) was so called because it was worth eight reals (see piece (n.)). Figure (of) eight as the shape of a race course, etc., attested from c. 1600. To be behind the eight ball "in trouble" (1932) is a metaphor from shooting pool. Eight hours as the ideal length of a fair working day is recorded by 1845.

1. The builders have perched a light concrete dome on eight slender columns.

建筑工人在8根細柱上架起輕巧的混凝土穹頂。

來自柯林斯例句

2. Charlie was earning eight pounds, I was earning five.

查利賺了8英鎊，我賺了5英鎊。

來自柯林斯例句

3. The French, who led 21-3 at half time, scored eight tries.

上半場以21：3領先的法國隊有8個達陣得分。

來自柯林斯例句

4. By my reckoning we were seven or eight kilometres from Borj Mechaab.

據我估計我們離梅卡巴堡有七八公里遠。

來自柯林斯例句

5. My fish average 2 lb 8 oz and I've had two eight-pounders.

我的魚平均每條重2磅8盎司，還有過兩條重8磅的。

來自柯林斯例句