mo·dus op·e·ran·di
ˌmōdəs ˌäpəˈrandē,ˌmōdəs ˌäpəˈrandī/
noun
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a particular way or method of doing something, especially one that is characteristic or well-established.
A modus operandi (often shortened to M.O.) is someone’s habits of working, particularly in the context of business or criminal investigations, but also more generally. It is a Latin phrase, approximately translated as method or mode of operating
