deriv SD cv (222) ashtadhyayi.com hei.de L 222 ETT STT a 1.4.60 ALPH OLDHOMEPAGE NEWHOMEPAGE

gatiz ca गतिश्च ONPANINI 14060

The /prAdi are called /gati (as well as /upasarga, when joined to a verb).

So when forming **prakRtya प्रकृत्य, the /ktvA gets replaced with lyap ल्यप् because /pra is /gati.

upasargAH kriyA-yoge < 14060 gatiz ca > Ury-Adi;cvi;DAcaz ca
er anekAco 'saMyoga-... <<< L 222 >>> na bhU;sudhiyoH