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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Prehistoric numerals ： ウィキペディア英語版 Prehistoric numerals Counting in prehistory was first assisted by using body parts, primarily the fingers. This is reflected in the etymology of certain number names, such as in the names of ''ten'' and ''hundred'' in the Proto-Indo-European numerals, both containing the root *''dḱ'' also seen in the word for "finger" (Latin ''digitus'', cognate to English ''toe''). Early systems of counting using tally marks appear in the Upper Paleolithic. The first more complex systems develop in the Ancient Near East together with the development of early writing out of proto-writing systems. ==Background== (詳細はtally marks as an counting aid, with the oldest examples being about 35,000 to 25,000 years old. 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「Prehistoric numerals」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.