Apastambadharmasutra 2.4.8.12

2.4.8.12

śabda. arthārambhaṇānāṃ tu karmaṇāṃ samāmnāyasamāptau vedaśabdaḥ / tatra saṃkhyā [vipratiṣiddhā /

(If any one should contend that) the term Veda (on account of its etymology, implying that which teaches duty or whereby one obtains spiritual merit) applies to the complete collection of (works which contain) rules for rites to be performed on the authority of precepts, (that, consequently, the Kalpa-sûtras form part of the Veda, and that thereby) the number (fixed above) for those (Aṅgas) is proved to be wrong,