Is {{{1}}} a typo or a real word?

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The Wikipedia:Typo Team/moss spell checker has found a possible typo that a copyeditor needs help to resolve. If {{{1}}} is misspelled, it can just be corrected in this article. If {{{1}}} is a legitimate word, it should be added to the English Wiktionary (which defines words in all languages) with a definition at [[wikt:{{{1}}}]]. Feel free to leave a note in this section if you do one of those things, or if you can provide any hints about this word. Thanks!