礎 — Cornerstone / Foundation Stone

Master (高手)そ, いしずえ

Radical ⽯ · radical 112 The building block this kanji is filed under

礎 (readings: そ, いしずえ; Japanese kanji) means “Cornerstone / Foundation Stone”. It is a Jōyō kanji taught in Japanese secondary school (junior & senior high) — the 高手 · Master tier beyond the grade 1–6 Kyōiku set, and appears in words such as 基礎 (foundation).

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What does 礎 mean?

Full details, readings & example

Kanji	礎
Meaning	Cornerstone / Foundation Stone
Readings	そ, いしずえ
Grade	Master (高手 · secondary school)
Curriculum	Jōyō kanji · Japanese secondary school (JLPT N1–N2)
Example	基礎 (foundation)

How to read 礎

礎 is read そ or いしずえ depending on the word.

Words with 礎

基礎nền tảng

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Updated: 2026-07-22