瑜伽論記 18.299

18.299

下釋異熟生義。言如其種子異熟所攝至從異熟生者，三性種子同所依識說為異熟，從此種子生現行時名異熟生。

Below, the meaning of being born of fruition is explained. In the passage from "just as its seeds are subsumed under fruition…" to "is born from fruition," the seeds of the three natures are spoken of as fruition identically with their supporting consciousness; when they produce active manifestations (samudācāra) from these seeds, they are called born of fruition.