origanum
noun
orig·a·num ə-ˈri-gə-nəm 
: any of several aromatic mints (especially genus Origanum) with aromatic leaves used as seasonings
especially : oregano sense 1
Example Sentences
Recent Examples on the Web Za’atar is the Arabic name for origanum syriacum, an herb native to the Levantine swath of the Middle East that includes Lebanon, Palestine, Syria and Jordan. 
Bill Addison, Los Angeles Times, 27 Feb. 2021
Bill Addison, Los Angeles Times, 27 Feb. 2021 Word History
Etymology
Middle English, from Latin, wild marjoram, from Greek origanon
First Known Use
14th century, in the meaning defined above