deriv SD cv (754) ashtadhyayi.com hei.de L 754 ETT STT a 7.4.49 ALPH OLDHOMEPAGE NEWHOMEPAGE

sas sy ArdhadhAtuke

सः स्यार्धधातुके ONPANINI 74049

Replace s स् with t त् before soft s स्.

vas वस् + /lRT /tip
→ vas वस् + /sya + /tip by syatAsIlRl...
→ vat वत् + sya स्य + ti ति by this rule
→ !**vatsyati वत्स्यति "will inhabit"

vas वस् + /luG /tip
→ vas वस् + /sic
→ avAtsIt अवात्सीत्

zAsivasigh... hole

See **jighatsati जिघत्सति for another example.

Why do we say "before a soft"?

Won't work before a hard —

As आस् + /thAs → **Asse आःसे "you' are sitting"

Technically the s स् of /sya is not a "soft s", it is a s स् that belongs to a soft affix.

True.

You did not answer my question.

Not true. You didn't make a question.