Samgraha 2.2: Vyākaraṇamahābhāṣya

2.2

saṅgrahe tāvat kāryapratidvandvibhāvān manyāmahe nityaparyāyavācino grahaṇam iti

In the Saṃgraha, at any rate, on account of its being the counterpart of 'produced', we consider that there is an employment of a synonym of 'eternal'.

In the Saṃgraha, since [siddha] stands as the opposite of "produced", we think it is taken as a synonym of "eternal".