Shiva Purana
वर्णाश्रमप्रयुक्तस्य मयैव विहितस्य च ॥ ममार्चनादिधर्मस्य चर्या चर्येति कथ्यते ॥ ३२ ॥
Caryā is the practical application of the holy rites such as my worship and the duties of the different castes and stages in life as prescribed by me.
english translation
varNAzramaprayuktasya mayaiva vihitasya ca ॥ mamArcanAdidharmasya caryA caryeti kathyate ॥ 32 ॥
hk transliteration by Sanscript