eighteen
数词 num.
英 /ˈeɪ.tiːn/|/ˌeɪˈtiːn/
美 /ˈeɪ(t).tin/|/ˌeɪ(t)ˈtin/
英文释义
数词 num.
-
The cardinal number occurring after seventeen and before nineteen, represented in Roman numerals as XVIII and in Arabic numerals as 18.
— The right of citizens of the United States, who are eighteen years of age or older, to vote shall not be denied or abridged by the United States or by any State on account of age.
词源
Etymology tree
Proto-Indo-European *oḱtṓw
Proto-Germanic *ahtōu
Proto-Indo-European *déḱm̥
Proto-Germanic *tehun
Proto-Germanic *ahtōutehun
Anglian Old English eahtatēne
Middle English eightetene
English eighteen
From Middle English eightetene, eiȝtene, ehtetene, from Old English eahtatīene, eahtatēne, from Proto-Germanic *ahtōutehun. Cognate with West Frisian achttjin, Dutch achttien, German achtzehn, Danish atten.
Equivalent to eight + -teen
Proto-Indo-European *oḱtṓw
Proto-Germanic *ahtōu
Proto-Indo-European *déḱm̥
Proto-Germanic *tehun
Proto-Germanic *ahtōutehun
Anglian Old English eahtatēne
Middle English eightetene
English eighteen
From Middle English eightetene, eiȝtene, ehtetene, from Old English eahtatīene, eahtatēne, from Proto-Germanic *ahtōutehun. Cognate with West Frisian achttjin, Dutch achttien, German achtzehn, Danish atten.
Equivalent to eight + -teen
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数据来源: Wiktionary