Charak Samhita
तत्रस्थाश्च विलम्बन्ते कदाचिन्न समीरिताः। नादेशकाले कुप्यन्ति भूयो हेतुप्रतीक्षिणः ॥३२॥
These vitiated dosha stay in the peripheral regions in a dormant state and do not cause any disease till the season or environment is conducive for them to act. The dosha wait for other favorable provocative factors in the form of the region, season, etc. to cause diseases.
english translation
tatrasthAzca vilambante kadAcinna samIritAH। nAdezakAle kupyanti bhUyo hetupratIkSiNaH ॥32॥
hk transliteration by Sanscript