deriv LSK ETT STT aSTA ALPH OLDHOMEPAGE NEWHOMEPAGE

/bhyAm / भ्याम्

/bhyAm is the dual /sup ending in —

third line /TAbhyAmbhis,
fourth line /GebhyAmbhyas
and fifth line /GasibhyAmbhyas.

So, it means "with" / "to" / "from".

/bhyAm lengthens a अ bases, by supica.