The word for today is…
gumption (noun):
1: enterprise, initiative
2 chiefly dialectal : common sense, horse sense
Source : Merriam -Webster
Etymology : English speakers have had gumption (the word, that is) since the early 1700s. The term’s source isn’t known, but early examples of it are found in Scottish (the related terms rumblegumption and rumgumption can be found there too). Gumption originally referred to common sense, but English speakers adopted the word and took it in a new direction, using it to refer to the kind of courage or get-up-and-go that makes undertaking difficult things possible. Art historians may know a couple additional applications for the word: gumption was historically used both to refer to the art of preparing painters’ colors, and as a synonym of megilp, which refers to a mixture of linseed oil and mastic varnish that is used as a vehicle for oil paints.
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