Dear colleagues,
Could anyone please enlighten me on asambhuti and sambhuti  interpreting   sankara's bhasya on the mantra mentioned below: 
Andhaṁ  tamaḥ  praviṥanti ye  asambhῡtim upᾱsate.
 
Tato  bhῡya  iva  te tamo  ya u sambhῡtyᾱṁ  ratᾱḥ //
Ῑṥa-12//
//
 
 
Regards,
Girish  K. Jha
Professor
Dept of  Sanskrit
Patna University
Patna 800 005
India