One can only give a rough estimation of imagined work, one of the two types of work. Since the discovered work is not yet discovered one can not estimate this.
You can however get better at imagining work and guessing how much discovered work you tend to not imagine.
Reference
Knuth, L. (2023, June 2). Work in an efficient team. https://lknuth.dev/writings/efficient_team/
Highlights or timestamps
- Since the problems are only roughly defined, only a rough estimate could be made about the imagined work.
— ^8663f0 from Work in an efficient team