Chāyā (छाया) refers back to the “shade” (practical for drying herbs), based on the Kāśyapa Saṃhitā: an ancient Sanskrit text within the Pāñvehicleātra tradition working with each Tantra and https://alviniyrb620687.pointblog.net/rumored-buzz-on-chhaya-silpa-sanskriti-71452013