Charak Samhita
प्रास्थिकं [३७] पिप्पलीं पिष्ट्वा गुडं मध्यं बिभीतकात्। उदकप्रस्थसंयुक्तं यवपल्ले निधापयेत्॥१६०॥
॥ Pindasava॥ One prastha of pippali is mixed with jaggery and seed pulp of bibhitaki and to it one prastha of water is added and kept in a vessel covered with yava (barley) for fermentation; this is called as pindasava.
english translation
prAsthikaM [37] pippalIM piSTvA guDaM madhyaM bibhItakAt। udakaprasthasaMyuktaM yavapalle nidhApayet॥160॥
hk transliteration by Sanscript