About “Amarakosha”
The Amarakosha is the popular name for Namalinganushasanam, a thesaurus in Sanskrit written by the ancient Indian scholar Amarasimha. The name Amarakosha derives from the Sanskrit words amara ("immortal") and kosha. (Summary adapted from Wikipedia, CC BY-SA 4.0.)
Some summaries adapted from Wikipedia, CC BY-SA 4.0.