noun
passage point
A point or stage where something passes beyond a limit or threshold; often used in technical or philosophical contexts.
この理論では、超越点を超えると新しい状態に移行する。
In this theory, once you pass the passage point, you transition to a new state.
Compound of 超越 (transcendence, surpassing) and 点 (point). The exact origin is uncertain, but it likely emerged in technical or philosophical discourse.