Question: who wrote the text amarkosha during the gupta age
Answer: 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 .