Ojakshaya
Depletion or exhaustion of ojas.

Ojas
It is the most refined or polished product of dhatu metabolism which controls the body's immune function. Vigor, strength and vitality that is the essence of all tissues (dhatus). It means the life sap or the essence of immune system and spiritual energy. Ojas is a protoplasmic substance called the albumin and globulin that is formed during the biosynthesis of bodily tissues and strengthens the tissues.