I had to look that up - I think the psycolical term differs quite a lot from the dictionary definition - but I certainly see some similarity between "grit" and

I had to look that up - I think the psycolical term differs quite a lot from the dictionary definition - but I certainly see some similarity between "grit" and something like: https://www.psychologytoday.com/us/basics/conscientiousness https://www.psychologytoday.com/us/basics/conscientiousness