deriv LSK ETT STT aSTA ALPH OLDHOMEPAGE NEWHOMEPAGE

/vas / वस्

/vas "we two (do)" is the dual ending in group /mibvasmas

pac पच् + /zap + /laT /vas → !**pacAvas पचावस् "we two cook", same steps as in **pacAmi पचामि.

/vas loses s स् by nityaGGitaH —

pac पच् + /zap + /laG /vas → **apacAva अपचाव "we two cooked"