moral way of life; correct path; moral principles
Often used in set phrases like 人の道を外れる (stray from the moral path) or 人の道に反する (go against moral principles). Conveys a sense of fundamental human morality.
You must not do anything that strays from the moral path.
His actions go against moral principles.
Compound of 人 (ひと, person) and 道 (みち, way/path), literally 'the way of people'. The exact historical derivation is uncertain, but it has long been used to express fundamental human morality.