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11 (eleven or ) is the natural number following 10 and preceding 12. In English, it is the smallest positive integer requiring three syllables and the largest prime number with a single-morpheme name. ==Name== Eleven derives from the Old English ' which is first attested in Bede's late 9th-century ''Ecclesiastical History of the English People''.〔 It has cognates in every Germanic language, whose Proto-Germanic ancestor has been reconstructed as *', from the prefix *' (adjectival "one") and suffix *' of uncertain meaning.〔 It is sometimes compared with the Lithuanian ', although ' is used as the suffix for all numbers from 11 to 19 (analogous to "-teen").〔 The Old English form has closer cognates in Old Frisian, Saxon, and Norse, whose ancestor has been reconstructed as *'. This has formerly been considered derived from Proto-Germanic *' ("ten");〔.〕〔 it is now sometimes connected with *' or *' ("left; remaining"), with the implicit meaning that "one is left" after having already counted to ten.〔''Oxford English Dictionary'', 1st ed. "eleven, ''adj.'' and ''n.''" Oxford University Press (Oxford), 1891.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「11 (number)」の詳細全文を読む スポンサード リンク
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