Mīmāmsa Sūtra 01.01.10

प्रकृतिविकृत्योश्च ॥१-१-१०॥

prakṛtivikṛtyoś ca ॥1-1-10॥

[प्रकृति (prakṛti) - origin; nature; विकृत्योः (vikṛtyoḥ) - of modifications; of transformations; च (ca) - and;]

(origin, of modifications, and.)

(Also, because of) its (word or sound's) original and modified forms.