Amarakosha
The Amarakosha ( Devanagari: अमरकोशः , IAST: Amarakośa ) is the popular name for "Namalinganushasanam" ( Devanagari: नामलिङ्गानुशासनम् , IAST: Nāmaliṅgānuśāsanam ) a thesaurus in Sanskrit written by the ancient Indian scholar Amarasimha . 
<triplet> Amarakosha <subj> thesaurus <obj> instance of <subj> Sanskrit <obj> language of work or name <subj> Amarasimha <obj> author <triplet> IAST <subj> Sanskrit <obj> facet of <triplet> IAST <subj> Sanskrit <obj> facet of <triplet> Sanskrit <subj> Devanagari <obj> writing system <subj> Devanagari <obj> writing system <triplet> Amarasimha <subj> Amarakosha <obj> notable work <subj> Sanskrit <obj> writing language