啐啄そったく

noun

golden opportunity; once-in-a-lifetime chance

Derived from a Zen metaphor; used for a rare, perfect moment when conditions align. Often appears in set phrases like 啐啄の機.

• この出で会あいはまさに啐啄そったくの機きだ。

  This encounter is truly a once-in-a-lifetime opportunity.

noun

perfect synchronicity between Zen master and disciple

Original Buddhist sense: the moment when a chick pecks from inside the egg and the mother pecks from outside, symbolizing the perfect timing of teaching and realization.

• 禅ぜんでは、師し弟ていの啐啄そったくが悟さとりに不ふ可か欠けつとされる。

  In Zen, the perfect synchronicity between master and disciple is considered essential for enlightenment.