俱舍論疏 9.75

9.75

The Śāstra says: "Namely, from within the mother's womb … to the stage where the physical form and faculties are complete." This clarifies the gradual development through the stages within the womb. Kalala is translated here as 'mixture', or as 'defilement', or as 'coagulated slime'. Arbuda is translated here as 'vesicle', because it arises like a bubble. Peśī is translated here as 'soft flesh'. Ghana is translated here as 'hard flesh'. Praśākhā is translated here as 'branches and joints'. After that, hair on the head, body hair, nails, and so forth, up to the stage where the physical form of the material sense faculties is complete, all constitute the fifth stage. If relying on the Sammatīya school, from the appearance of hair onwards it is called the sixth stage.