Sticktoitiveness

There is no success like "sticktoitiveness."

Source: wiktionary

Although this costs us a good deal more, we charge no more for it, and are satisfied with the "sticktoitiveness" of our subscribers.

Source: wiktionary

Yes, but, says one, it is muscle and everlasting grit and sticktoitiveness that makes the farm go. The sticktoitiveness is all right but an abnormal muscle is not altogether necessary.

Source: wiktionary

1899, "The Planting and Culture of an Apple Orchard" by R.A. Jones from the proceedings of the annual convention of the Northwest Fruit Growers Association To be in the successful 10 per cent, as above referred to, requires an abundance of sticktoitiveness, energy, thought, industry, and watchfulness. Now, in which class do you propose to be?

Source: wiktionary