basework

noun
UK /ˈbeɪswɜːk/
US /ˈbeɪswɜːrk/

The first and most important work you do to get something ready.

The builders did the basework before they put up the walls.


OTHER MEANINGS

2. The basic or underlying part of a subject or skill that everything else is built on.

Learning letters is the basework for reading whole words.

3. The main body of routine tasks that support a larger project.

She spent the morning on basework like filing and sorting before the big meeting.

4. In construction, the lower supporting structure of a building.

The engineers checked the basework before adding the upper floors.