deriv LSK ETT STT aSTA ALPH OLDHOMEPAGE NEWHOMEPAGE
The nounbase /vidvas- means "sage" and is built with the affix /vasu, which is a rarely used replacement of /zatR.
As it is /udit, it gets /num before all strong by ugidacAMs.... As it is a s स्-ender, the a अ lengthens before that /num —
**vidvAMsi विद्वांसि kulAni कुलानि
When /vasu is /pada, it becomes vad वद् by vasusraMsudhv... —
**vidvas- विद्वस् n + /su OR /am → **vidvat विद्वत् n
**vidvas- विद्वस् +/bhis → !**vidvadbhis विद्वद्भिस्
**vidvas- विद्वस् +/sup' → !**vidvatsu विद्वत्सु
When not bs and not /pada, /vasu is whimpy and gets /samprasAraNa by vasossampras... —
Like all s स् t त् n न् enders, **vidvas- विद्वस् gets /GI when f . That makes it whimpy by vasossampras... —