deriv SD cv (258) ashtadhyayi.com hei.de L 258 ETT STT a 7.1.24 ALPH OLDHOMEPAGE NEWHOMEPAGE

ato 'm अतो ऽम् ONPANINI 71024

After (a neuter that ends in) a अ, (replace /su /am) with /am.

Exception to < svamornapuMs....

phala- फलॱ n + /su OR /am
→ phala- फलॱ + /am by this rule
→ !**phalam फलम् " s o result, fruit" by amipUrvaH

Why is there no this rule is he mitra हे मित्र he phala हे फल?

Actually, there IS this rule. pazya पश्य —

**phala- फलॱ n + /sambuddhi
→ phala- फलॱ + /su
→ phala- फलॱ + /am by this rule
→ phala फल by eGhrasvAtsamb... because am अम् is still a /sambuddhi by sthAnivadAd...
→ he हे !**phala' फलऽ "hi fruit!"

Why does the sUtra say "with /am" instead of just "with m म्"? I would have worded it as atomaH अतोमः.

To prevent atodIrghoyaJi from lengthening the a अ.

Is the "am अम्" in the sUtra the ending /am, or just an a अ plus a m म्?

No one knows. If the former, a अ + a अ makes a अ by amipU अमिपू. If the latter, a अ + a अ makes a अ anyway by atoguNe.