noun, noun which may take the genitive case particle 'no'
foundation; basis; fundamentals
Refers to the underlying physical or conceptual base upon which something is built or developed. Common in academic, technical, and everyday contexts.
数学の基礎をしっかり学ぶことが大切だ。
It is important to learn the fundamentals of mathematics thoroughly.
この建物の基礎はとても頑丈だ
The foundation of this building is very sturdy.
Compound of 基 (base, foundation) and 礎 (cornerstone, foundation). The combination reinforces the idea of a solid underlying support.