Astanga Hrudaya
व्यापिनामपि जानीयात्कर्माणि च पृथक्पृथक्। उष्णेन युक्ता रूक्षाद्या वायोः कुर्वन्ति सञ्चयम्॥१९॥
they are more dominant in specific areas of the body, as explained above. Qualities that influence increase and decrease of Tridosha – Note: In the description given below, Chaya means – first level increase of Dosha in their own place. Kopa / Prakopa - means increase and overflow of Doshas from its own place to other place. It has the potential to cause the disease. Shama / Prashama - means decrease of increased Dosha and restoration of health.
english translation
vyApinAmapi jAnIyAtkarmANi ca pRthakpRthak। uSNena yuktA rUkSAdyA vAyoH kurvanti saJcayam॥19॥
hk transliteration by Sanscript