理
リ, ことわり, あや, おさむ, さと, さとる, ただ, ただし, とおる, に, のり, ひ, まこと, まさ, まさし, まろ, みち, よし

logic, arrangement, reason, justice, truth

JLPT4 G2 S11 F86

As per 里# (long strip) + 玉 jewel → veins or streaks in a piece of jade → *logic*; *reason* (← lines/threads of a reasoning process ← vein; streak) → *principle*; *natural science*.

[Full Kanji Etymology List]