anye tvaitihyādi ca pramāṇāntaramicchanti, tatrānirdiṣṭavaktṛkaṃ pravādapāramparyamaitihyam /
Some [philosophers], however, accept tradition (aitihya) and other [means] as separate means of valid cognition (pramāṇa). Among these, tradition is [defined as] a succession of statements whose original speaker is not specified.