noun
groundwork; laying the foundation
Used both literally for construction and figuratively for preparing the basis of a project or plan.
家を建てる前に、しっかりとした土台作りが必要だ。
Before building a house, solid groundwork is necessary.
プロジェクトの成功は、最初の土台作りにかかっている。
The success of the project depends on the initial groundwork.
基礎作り is similar but more abstract, often used for building basic skills or knowledge, while 土台作り can imply a more physical or structural foundation.
Compound of 土台 (foundation) and 作り (making).