DictionaryRoot: magnus
Latin
magnus
great or large
Forms
- magnus
- magn- — Used before other endings.
- magni- — Used in some compounds.
Origin
An ancient Indo-European size word with relatives in Greek and Germanic.
Note
Size readily extends to importance, force, or esteem.
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noun / adjective
magnum
MAG-num/ˈmæɡnəm/
An unusually powerful firearm cartridge.
Etymology
Latin magnus conveys greatness in size or power, an idea applied to a powerful handgun. In this sense, the name emphasizes the power of the ammunition or the firearm using it.