出典:Wiktionary
出典:『Wiktionary』 (2026/06/05 03:12 UTC 版)
Borrowed from German Otto, from Old High German, short form of compound names (such as Otachar, Ottokar) beginning with Proto-West Germanic *aud, from Proto-Germanic *audaz (“wealth, riches”) (cognate of English Ed- in Edgar, Edmund, Edward, Edith, etc.).
Otto (countable and uncountable, plural Ottos or Ottoes)
Borrowed from Old High German Otto.
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