deriv SD cv (348) ashtadhyayi.com hei.de L 348 ETT STT a 7.2.89 ALPH OLDHOMEPAGE NEWHOMEPAGE

yo 'ci यो ऽचि ONPANINI 72089

Replace /yuSmad- /asmad- with y य् before a vowel /sup that is not a replacement.

!! .

/yuSmad- + /TA
→ tva त्व + ad अद् + /TA by tvamAvekav... 8>
→ tvad त्वद् + /TA by atoguNe
→ tvay त्वय् +A आ by this rule

→ !**tvayA त्वया

/asmad- + /TA → !**mayA मया, same steps

/asmad- + /Gi → !**mayi मयि

/yuSmad- + /Gi → !**tvayi त्वयि

/yuSmad- + /os → !**yuvayoH युवयोः

/asmad- + /os → !**AvayoH आवयोः

Why do we say "before a vowel"?

**yuvAbhyAm युवाभ्याम्

**AvAbhyAm आवाभ्याम्

**asmAbhis अस्माभिस्

Why do we say "unless it's a replacement"?

In **mat मत् /bhyas has been replaced with at अत्, and in **asmabhyam अस्मभ्यम् with abhyam अभ्यम्. Those two start with vowels but get no y य् —

mad gacchati मद्गच्छति "goes away from me"