sturdybase

noun
UK /ˈstɜːdiˌbeɪs/
US /ˈstɜːrdiˌbeɪs/

A strong bottom part that holds something up so it does not fall.

The table has a sturdybase, so it never wobbles.


OTHER MEANINGS

2. The main part of something that everything else is built on.

Trust is the sturdybase of a good friendship.

3. A solid starting point for a plan or idea.

The team built their project on a sturdybase of research.

4. A strong lower section of a building or structure.

The tower's sturdybase kept it safe in strong winds.