Adhibhuta is all perishable things. Adhidaiva is the (primal) Male-Being. And O best of men, Adhiyajna is I myself in this body.
अधिभूतं क्षरो भावः पुरुषश्चाधिदैवतम्। अधियज्ञोऽहमेवात्र देहे देहभृतां वर॥