Aṣṭāṅgahṛdayasaṃhitā
māsairdvisaṃkhyairmāghādyaiḥ kramāt ṣaḍṛtavaḥ smṛtāḥ||1||
śiśiro+atha vasantaśca grīṣmo varṣāśaraddhimāḥ||1||
śiśirādyāstribhistaistu vidyādayanamuttaram||2||
ādānaṃ ca, tadādatte nṛṇāṃ pratidinaṃ balam||2||