Jhānavibhaṅga › Suttantabhājanīya

Abhidhammapiṭaka · Vibhaṅga · Vol. 35 · Section 684

[684] "Fourth" (catutthaṃ): it is fourth according to the sequence of enumeration (gaṇanānupubbato); one attains this as the fourth — thus it is "fourth."

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.